diff --git a/e2e/fixtures/multi-client.ts b/e2e/fixtures/multi-client.ts
index f093231..1b384b6 100644
--- a/e2e/fixtures/multi-client.ts
+++ b/e2e/fixtures/multi-client.ts
@@ -5,23 +5,15 @@ import {
   type BrowserContext,
   type Browser
 } from '@playwright/test';
-import { spawn, type ChildProcess } from 'node:child_process';
-import { once } from 'node:events';
-import { createServer } from 'node:net';
 import { join } from 'node:path';
 import { installTestServerEndpoint } from '../helpers/seed-test-endpoint';
+import { startTestServer, type TestServerHandle } from '../helpers/test-server';
 
 export interface Client {
   page: Page;
   context: BrowserContext;
 }
 
-interface TestServerHandle {
-  port: number;
-  url: string;
-  stop: () => Promise<void>;
-}
-
 interface MultiClientFixture {
   createClient: () => Promise<Client>;
   testServer: TestServerHandle;
@@ -31,10 +23,9 @@ const FAKE_AUDIO_FILE = join(__dirname, 'test-tone.wav');
 const CHROMIUM_FAKE_MEDIA_ARGS = [
   '--use-fake-device-for-media-stream',
   '--use-fake-ui-for-media-stream',
-  `--use-file-for-fake-audio-capture=${FAKE_AUDIO_FILE}`
+  `--use-file-for-fake-audio-capture=${FAKE_AUDIO_FILE}`,
+  '--autoplay-policy=no-user-gesture-required'
 ];
-const E2E_DIR = join(__dirname, '..');
-const START_SERVER_SCRIPT = join(E2E_DIR, 'helpers', 'start-test-server.js');
 
 export const test = base.extend<MultiClientFixture>({
   testServer: async ({ playwright: _playwright }, use: (testServer: TestServerHandle) => Promise<void>) => {
@@ -81,122 +72,3 @@ export const test = base.extend<MultiClientFixture>({
 });
 
 export { expect } from '@playwright/test';
-
-async function startTestServer(retries = 3): Promise<TestServerHandle> {
-  for (let attempt = 1; attempt <= retries; attempt++) {
-    const port = await allocatePort();
-    const child = spawn(process.execPath, [START_SERVER_SCRIPT], {
-      cwd: E2E_DIR,
-      env: {
-        ...process.env,
-        TEST_SERVER_PORT: String(port)
-      },
-      stdio: 'pipe'
-    });
-
-    child.stdout?.on('data', (chunk: Buffer | string) => {
-      process.stdout.write(chunk.toString());
-    });
-
-    child.stderr?.on('data', (chunk: Buffer | string) => {
-      process.stderr.write(chunk.toString());
-    });
-
-    try {
-      await waitForServerReady(port, child);
-    } catch (error) {
-      await stopServer(child);
-
-      if (attempt < retries) {
-        console.log(`[E2E Server] Attempt ${attempt} failed, retrying...`);
-        continue;
-      }
-
-      throw error;
-    }
-
-    return {
-      port,
-      url: `http://localhost:${port}`,
-      stop: async () => {
-        await stopServer(child);
-      }
-    };
-  }
-
-  throw new Error('startTestServer: unreachable');
-}
-
-async function allocatePort(): Promise<number> {
-  return new Promise<number>((resolve, reject) => {
-    const probe = createServer();
-
-    probe.once('error', reject);
-    probe.listen(0, '127.0.0.1', () => {
-      const address = probe.address();
-
-      if (!address || typeof address === 'string') {
-        probe.close();
-        reject(new Error('Failed to resolve an ephemeral test server port'));
-        return;
-      }
-
-      const { port } = address;
-
-      probe.close((error) => {
-        if (error) {
-          reject(error);
-          return;
-        }
-
-        resolve(port);
-      });
-    });
-  });
-}
-
-async function waitForServerReady(port: number, child: ChildProcess, timeoutMs = 30_000): Promise<void> {
-  const readyUrl = `http://127.0.0.1:${port}/api/servers?limit=1`;
-  const deadline = Date.now() + timeoutMs;
-
-  while (Date.now() < deadline) {
-    if (child.exitCode !== null) {
-      throw new Error(`Test server exited before becoming ready (exit code ${child.exitCode})`);
-    }
-
-    try {
-      const response = await fetch(readyUrl);
-
-      if (response.ok) {
-        return;
-      }
-    } catch {
-      // Server still starting.
-    }
-
-    await wait(250);
-  }
-
-  throw new Error(`Timed out waiting for test server on port ${port}`);
-}
-
-async function stopServer(child: ChildProcess): Promise<void> {
-  if (child.exitCode !== null) {
-    return;
-  }
-
-  child.kill('SIGTERM');
-
-  const exited = await Promise.race([once(child, 'exit').then(() => true), wait(3_000).then(() => false)]);
-
-  if (!exited && child.exitCode === null) {
-    child.kill('SIGKILL');
-    await once(child, 'exit');
-  }
-}
-
-function wait(durationMs: number): Promise<void> {
-  return new Promise((resolve) => {
-    setTimeout(resolve, durationMs);
-  });
-}
diff --git a/e2e/helpers/seed-test-endpoint.ts b/e2e/helpers/seed-test-endpoint.ts
index 7626089..2b1a69a 100644
--- a/e2e/helpers/seed-test-endpoint.ts
+++ b/e2e/helpers/seed-test-endpoint.ts
@@ -3,6 +3,15 @@ import { type BrowserContext, type Page } from '@playwright/test';
 const SERVER_ENDPOINTS_STORAGE_KEY = 'metoyou_server_endpoints';
 const REMOVED_DEFAULT_KEYS_STORAGE_KEY = 'metoyou_removed_default_server_keys';
 
+export interface SeededEndpointInput {
+  id: string;
+  name: string;
+  url: string;
+  isActive?: boolean;
+  isDefault?: boolean;
+  status?: string;
+}
+
 interface SeededEndpointStorageState {
   key: string;
   removedKey: string;
@@ -17,21 +26,32 @@ interface SeededEndpointStorageState {
 }
 
 function buildSeededEndpointStorageState(
-  port: number = Number(process.env.TEST_SERVER_PORT) || 3099
+  endpointsOrPort: ReadonlyArray<SeededEndpointInput> | number = Number(process.env.TEST_SERVER_PORT) || 3099
 ): SeededEndpointStorageState {
-  const endpoint = {
-    id: 'e2e-test-server',
-    name: 'E2E Test Server',
-    url: `http://localhost:${port}`,
-    isActive: true,
-    isDefault: false,
-    status: 'unknown'
-  };
+  const endpoints = Array.isArray(endpointsOrPort)
+    ? endpointsOrPort.map((endpoint) => ({
+      id: endpoint.id,
+      name: endpoint.name,
+      url: endpoint.url,
+      isActive: endpoint.isActive ?? true,
+      isDefault: endpoint.isDefault ?? false,
+      status: endpoint.status ?? 'unknown'
+    }))
+    : [
+      {
+        id: 'e2e-test-server',
+        name: 'E2E Test Server',
+        url: `http://localhost:${endpointsOrPort}`,
+        isActive: true,
+        isDefault: false,
+        status: 'unknown'
+      }
+    ];
 
   return {
     key: SERVER_ENDPOINTS_STORAGE_KEY,
     removedKey: REMOVED_DEFAULT_KEYS_STORAGE_KEY,
-    endpoints: [endpoint]
+    endpoints
   };
 }
 
@@ -59,6 +79,15 @@ export async function installTestServerEndpoint(
   await context.addInitScript(applySeededEndpointStorageState, storageState);
 }
 
+export async function installTestServerEndpoints(
+  context: BrowserContext,
+  endpoints: ReadonlyArray<SeededEndpointInput>
+): Promise<void> {
+  const storageState = buildSeededEndpointStorageState(endpoints);
+
+  await context.addInitScript(applySeededEndpointStorageState, storageState);
+}
+
 /**
  * Seed localStorage with a single signal endpoint pointing at the test server.
  * Must be called AFTER navigating to the app origin (localStorage is per-origin)
@@ -79,3 +108,12 @@ export async function seedTestServerEndpoint(
 
   await page.evaluate(applySeededEndpointStorageState, storageState);
 }
+
+export async function seedTestServerEndpoints(
+  page: Page,
+  endpoints: ReadonlyArray<SeededEndpointInput>
+): Promise<void> {
+  const storageState = buildSeededEndpointStorageState(endpoints);
+
+  await page.evaluate(applySeededEndpointStorageState, storageState);
+}
diff --git a/e2e/helpers/test-server.ts b/e2e/helpers/test-server.ts
new file mode 100644
index 0000000..bab9005
--- /dev/null
+++ b/e2e/helpers/test-server.ts
@@ -0,0 +1,132 @@
+import { spawn, type ChildProcess } from 'node:child_process';
+import { once } from 'node:events';
+import { createServer } from 'node:net';
+import { join } from 'node:path';
+
+export interface TestServerHandle {
+  port: number;
+  url: string;
+  stop: () => Promise<void>;
+}
+
+const E2E_DIR = join(__dirname, '..');
+const START_SERVER_SCRIPT = join(E2E_DIR, 'helpers', 'start-test-server.js');
+
+export async function startTestServer(retries = 3): Promise<TestServerHandle> {
+  for (let attempt = 1; attempt <= retries; attempt++) {
+    const port = await allocatePort();
+    const child = spawn(process.execPath, [START_SERVER_SCRIPT], {
+      cwd: E2E_DIR,
+      env: {
+        ...process.env,
+        TEST_SERVER_PORT: String(port)
+      },
+      stdio: 'pipe'
+    });
+
+    child.stdout?.on('data', (chunk: Buffer | string) => {
+      process.stdout.write(chunk.toString());
+    });
+
+    child.stderr?.on('data', (chunk: Buffer | string) => {
+      process.stderr.write(chunk.toString());
+    });
+
+    try {
+      await waitForServerReady(port, child);
+    } catch (error) {
+      await stopServer(child);
+
+      if (attempt < retries) {
+        console.log(`[E2E Server] Attempt ${attempt} failed, retrying...`);
+        continue;
+      }
+
+      throw error;
+    }
+
+    return {
+      port,
+      url: `http://localhost:${port}`,
+      stop: async () => {
+        await stopServer(child);
+      }
+    };
+  }
+
+  throw new Error('startTestServer: unreachable');
+}
+
+async function allocatePort(): Promise<number> {
+  return await new Promise<number>((resolve, reject) => {
+    const probe = createServer();
+
+    probe.once('error', reject);
+    probe.listen(0, '127.0.0.1', () => {
+      const address = probe.address();
+
+      if (!address || typeof address === 'string') {
+        probe.close();
+        reject(new Error('Failed to resolve an ephemeral test server port'));
+        return;
+      }
+
+      const { port } = address;
+
+      probe.close((error) => {
+        if (error) {
+          reject(error);
+          return;
+        }
+
+        resolve(port);
+      });
+    });
+  });
+}
+
+async function waitForServerReady(port: number, child: ChildProcess, timeoutMs = 30_000): Promise<void> {
+  const readyUrl = `http://127.0.0.1:${port}/api/servers?limit=1`;
+  const deadline = Date.now() + timeoutMs;
+
+  while (Date.now() < deadline) {
+    if (child.exitCode !== null) {
+      throw new Error(`Test server exited before becoming ready (exit code ${child.exitCode})`);
+    }
+
+    try {
+      const response = await fetch(readyUrl);
+
+      if (response.ok) {
+        return;
+      }
+    } catch {
+      // Server still starting.
+    }
+
+    await wait(250);
+  }
+
+  throw new Error(`Timed out waiting for test server on port ${port}`);
+}
+
+async function stopServer(child: ChildProcess): Promise<void> {
+  if (child.exitCode !== null) {
+    return;
+  }
+
+  child.kill('SIGTERM');
+
+  const exited = await Promise.race([once(child, 'exit').then(() => true), wait(3_000).then(() => false)]);
+
+  if (!exited && child.exitCode === null) {
+    child.kill('SIGKILL');
+    await once(child, 'exit');
+  }
+}
+
+function wait(durationMs: number): Promise<void> {
+  return new Promise((resolve) => {
+    setTimeout(resolve, durationMs);
+  });
+}
diff --git a/e2e/helpers/webrtc-helpers.ts b/e2e/helpers/webrtc-helpers.ts
index 40028c8..1b0fa11 100644
--- a/e2e/helpers/webrtc-helpers.ts
+++ b/e2e/helpers/webrtc-helpers.ts
@@ -46,75 +46,6 @@ export async function installWebRTCTracking(page: Page): Promise<void> {
     (window as any).RTCPeerConnection.prototype = OriginalRTCPeerConnection.prototype;
     Object.setPrototypeOf((window as any).RTCPeerConnection, OriginalRTCPeerConnection);
 
-    // Patch getUserMedia to use an AudioContext oscillator for audio
-    // instead of the hardware capture device.  Chromium's fake audio
-    // device intermittently fails to produce frames after renegotiation.
-    const origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);
-
-    navigator.mediaDevices.getUserMedia = async (constraints?: MediaStreamConstraints) => {
-      const wantsAudio = !!constraints?.audio;
-
-      if (!wantsAudio) {
-        return origGetUserMedia(constraints);
-      }
-
-      // Get the original stream (may include video)
-      const originalStream = await origGetUserMedia(constraints);
-      const audioCtx = new AudioContext();
-      const noiseBuffer = audioCtx.createBuffer(1, audioCtx.sampleRate * 2, audioCtx.sampleRate);
-      const noiseData = noiseBuffer.getChannelData(0);
-
-      for (let sampleIndex = 0; sampleIndex < noiseData.length; sampleIndex++) {
-        noiseData[sampleIndex] = (Math.random() * 2 - 1) * 0.18;
-      }
-
-      const source = audioCtx.createBufferSource();
-      const gain = audioCtx.createGain();
-
-      source.buffer = noiseBuffer;
-      source.loop = true;
-      gain.gain.value = 0.12;
-
-      const dest = audioCtx.createMediaStreamDestination();
-
-      source.connect(gain);
-      gain.connect(dest);
-      source.start();
-
-      if (audioCtx.state === 'suspended') {
-        try {
-          await audioCtx.resume();
-        } catch {}
-      }
-
-      const synthAudioTrack = dest.stream.getAudioTracks()[0];
-      const resultStream = new MediaStream();
-
-      syntheticMediaResources.push({ audioCtx, source });
-
-      resultStream.addTrack(synthAudioTrack);
-
-      // Keep any video tracks from the original stream
-      for (const videoTrack of originalStream.getVideoTracks()) {
-        resultStream.addTrack(videoTrack);
-      }
-
-      // Stop original audio tracks since we're not using them
-      for (const track of originalStream.getAudioTracks()) {
-        track.stop();
-      }
-
-      synthAudioTrack.addEventListener('ended', () => {
-        try {
-          source.stop();
-        } catch {}
-
-        void audioCtx.close().catch(() => {});
-      }, { once: true });
-
-      return resultStream;
-    };
-
     // Patch getDisplayMedia to return a synthetic screen share stream
     // (canvas-based video + 880Hz oscillator audio) so the browser
     // picker dialog is never shown.
@@ -218,6 +149,177 @@ export async function isPeerStillConnected(page: Page): Promise<boolean> {
   );
 }
 
+/** Returns the number of tracked peer connections in `connected` state. */
+export async function getConnectedPeerCount(page: Page): Promise<number> {
+  return page.evaluate(
+    () => ((window as any).__rtcConnections as RTCPeerConnection[] | undefined)?.filter(
+      (pc) => pc.connectionState === 'connected'
+    ).length ?? 0
+  );
+}
+
+/** Wait until the expected number of peer connections are `connected`. */
+export async function waitForConnectedPeerCount(page: Page, expectedCount: number, timeout = 45_000): Promise<void> {
+  await page.waitForFunction(
+    (count) => ((window as any).__rtcConnections as RTCPeerConnection[] | undefined)?.filter(
+      (pc) => pc.connectionState === 'connected'
+    ).length === count,
+    expectedCount,
+    { timeout }
+  );
+}
+
+/**
+ * Resume all suspended AudioContext instances created by the synthetic
+ * media patch.  Uses CDP `Runtime.evaluate` with `userGesture: true` so
+ * Chrome treats the call as a user-gesture — this satisfies the autoplay
+ * policy that otherwise blocks `AudioContext.resume()`.
+ */
+export async function resumeSyntheticAudioContexts(page: Page): Promise<number> {
+  const cdpSession = await page.context().newCDPSession(page);
+
+  try {
+    const result = await cdpSession.send('Runtime.evaluate', {
+      expression: `(async () => {
+        const resources = window.__rtcSyntheticMediaResources;
+        if (!resources) return 0;
+        let resumed = 0;
+        for (const r of resources) {
+          if (r.audioCtx.state === 'suspended') {
+            await r.audioCtx.resume();
+            resumed++;
+          }
+        }
+        return resumed;
+      })()`,
+      awaitPromise: true,
+      userGesture: true
+    });
+
+    return result.result.value ?? 0;
+  } finally {
+    await cdpSession.detach();
+  }
+}
+
+interface PerPeerAudioStat {
+  connectionState: string;
+  inboundBytes: number;
+  inboundPackets: number;
+  outboundBytes: number;
+  outboundPackets: number;
+}
+
+/** Get per-peer audio stats for every tracked RTCPeerConnection. */
+export async function getPerPeerAudioStats(page: Page): Promise<PerPeerAudioStat[]> {
+  return page.evaluate(async () => {
+    const connections = (window as any).__rtcConnections as RTCPeerConnection[] | undefined;
+
+    if (!connections?.length) {
+      return [];
+    }
+
+    const snapshots: PerPeerAudioStat[] = [];
+
+    for (const pc of connections) {
+      let inboundBytes = 0;
+      let inboundPackets = 0;
+      let outboundBytes = 0;
+      let outboundPackets = 0;
+
+      try {
+        const stats = await pc.getStats();
+
+        stats.forEach((report: any) => {
+          const kind = report.kind ?? report.mediaType;
+
+          if (report.type === 'outbound-rtp' && kind === 'audio') {
+            outboundBytes += report.bytesSent ?? 0;
+            outboundPackets += report.packetsSent ?? 0;
+          }
+
+          if (report.type === 'inbound-rtp' && kind === 'audio') {
+            inboundBytes += report.bytesReceived ?? 0;
+            inboundPackets += report.packetsReceived ?? 0;
+          }
+        });
+      } catch {
+        // Closed connection.
+      }
+
+      snapshots.push({
+        connectionState: pc.connectionState,
+        inboundBytes,
+        inboundPackets,
+        outboundBytes,
+        outboundPackets
+      });
+    }
+
+    return snapshots;
+  });
+}
+
+/** Wait until every connected peer connection shows inbound and outbound audio flow. */
+export async function waitForAllPeerAudioFlow(
+  page: Page,
+  expectedConnectedPeers: number,
+  timeoutMs = 45_000,
+  pollIntervalMs = 1_000
+): Promise<void> {
+  const deadline = Date.now() + timeoutMs;
+  // Track which peer indices have been confirmed flowing at least once.
+  // This prevents a peer from being missed just because it briefly paused
+  // during one specific poll interval.
+  const confirmedFlowing = new Set<number>();
+
+  let previous = await getPerPeerAudioStats(page);
+
+  while (Date.now() < deadline) {
+    await page.waitForTimeout(pollIntervalMs);
+    const current = await getPerPeerAudioStats(page);
+    const connectedPeers = current.filter((stat) => stat.connectionState === 'connected');
+
+    if (connectedPeers.length >= expectedConnectedPeers) {
+      for (let index = 0; index < current.length; index++) {
+        const curr = current[index];
+
+        if (!curr || curr.connectionState !== 'connected') {
+          continue;
+        }
+
+        const prev = previous[index] ?? {
+          connectionState: 'new',
+          inboundBytes: 0,
+          inboundPackets: 0,
+          outboundBytes: 0,
+          outboundPackets: 0
+        };
+        const inboundFlowing = curr.inboundBytes > prev.inboundBytes || curr.inboundPackets > prev.inboundPackets;
+        const outboundFlowing = curr.outboundBytes > prev.outboundBytes || curr.outboundPackets > prev.outboundPackets;
+
+        if (inboundFlowing && outboundFlowing) {
+          confirmedFlowing.add(index);
+        }
+      }
+
+      // Check if enough peers have been confirmed across all samples
+      const connectedIndices = current
+        .map((stat, idx) => stat.connectionState === 'connected' ? idx : -1)
+        .filter((idx) => idx >= 0);
+      const confirmedCount = connectedIndices.filter((idx) => confirmedFlowing.has(idx)).length;
+
+      if (confirmedCount >= expectedConnectedPeers) {
+        return;
+      }
+    }
+
+    previous = current;
+  }
+
+  throw new Error(`Timed out waiting for ${expectedConnectedPeers} peers with bidirectional audio flow`);
+}
+
 /**
  * Get outbound and inbound audio RTP stats aggregated across all peer
  * connections.  Uses a per-connection high water mark stored on `window` so
diff --git a/e2e/pages/chat-room.page.ts b/e2e/pages/chat-room.page.ts
index 0f50554..88067fe 100644
--- a/e2e/pages/chat-room.page.ts
+++ b/e2e/pages/chat-room.page.ts
@@ -19,13 +19,65 @@ export class ChatRoomPage {
 
   /** Click a voice channel by name in the channels sidebar to join voice. */
   async joinVoiceChannel(channelName: string) {
-    const channelButton = this.page.locator('app-rooms-side-panel')
-      .getByRole('button', { name: channelName, exact: true });
+    const channelButton = this.getVoiceChannelButton(channelName);
+
+    if (await channelButton.count() === 0) {
+      await this.refreshRoomMetadata();
+    }
+
+    if (await channelButton.count() === 0) {
+      // Second attempt - metadata might still be syncing
+      await this.page.waitForTimeout(2_000);
+      await this.refreshRoomMetadata();
+    }
 
     await expect(channelButton).toBeVisible({ timeout: 15_000 });
     await channelButton.click();
   }
 
+  /** Creates a voice channel if it is not already present in the current room. */
+  async ensureVoiceChannelExists(channelName: string) {
+    const channelButton = this.getVoiceChannelButton(channelName);
+
+    if (await channelButton.count() > 0) {
+      return;
+    }
+
+    await this.refreshRoomMetadata();
+
+    // Wait a bit longer for Angular to render the channel list after refresh
+    try {
+      await expect(channelButton).toBeVisible({ timeout: 5_000 });
+      return;
+    } catch {
+      // Channel genuinely doesn't exist - create it
+    }
+
+    await this.openCreateVoiceChannelDialog();
+
+    try {
+      await this.createChannel(channelName);
+    } catch {
+      // If the dialog didn't close (e.g. duplicate name validation), dismiss it
+      const dialog = this.page.locator('app-confirm-dialog');
+
+      if (await dialog.isVisible()) {
+        const cancelButton = dialog.getByRole('button', { name: 'Cancel' });
+        const closeButton = dialog.getByRole('button', { name: 'Close dialog' });
+
+        if (await cancelButton.isVisible()) {
+          await cancelButton.click();
+        } else if (await closeButton.isVisible()) {
+          await closeButton.click();
+        }
+
+        await expect(dialog).not.toBeVisible({ timeout: 5_000 }).catch(() => {});
+      }
+    }
+
+    await expect(channelButton).toBeVisible({ timeout: 15_000 });
+  }
+
   /** Click a text channel by name in the channels sidebar to switch chat rooms. */
   async joinTextChannel(channelName: string) {
     const channelButton = this.getTextChannelButton(channelName);
@@ -100,6 +152,11 @@ export class ChatRoomPage {
     return this.voiceControls.locator('button:has(ng-icon[name="lucideMic"]), button:has(ng-icon[name="lucideMicOff"])').first();
   }
 
+  /** Get the deafen toggle button inside voice controls. */
+  get deafenButton() {
+    return this.voiceControls.locator('button:has(ng-icon[name="lucideHeadphones"])').first();
+  }
+
   /** Get the disconnect/hang-up button (destructive styled). */
   get disconnectButton() {
     return this.voiceControls.locator('button:has(ng-icon[name="lucidePhoneOff"])').first();
@@ -112,10 +169,9 @@ export class ChatRoomPage {
 
   /** Get the count of voice users listed under a voice channel. */
   async getVoiceUserCountInChannel(channelName: string): Promise<number> {
-    const channelSection = this.page.locator('app-rooms-side-panel')
-      .getByRole('button', { name: channelName })
-      .locator('..');
-    const userAvatars = channelSection.locator('app-user-avatar');
+    // The voice channel button is inside a wrapper div; user avatars are siblings within that wrapper
+    const channelWrapper = this.getVoiceChannelButton(channelName).locator('xpath=ancestor::div[1]');
+    const userAvatars = channelWrapper.locator('app-user-avatar');
 
     return userAvatars.count();
   }
@@ -154,9 +210,11 @@ export class ChatRoomPage {
   }
 
   private getTextChannelButton(channelName: string): Locator {
-    const channelPattern = new RegExp(`#\\s*${escapeRegExp(channelName)}$`, 'i');
+    return this.channelsSidePanel.locator(`button[data-channel-type="text"][data-channel-name="${channelName}"]`).first();
+  }
 
-    return this.channelsSidePanel.getByRole('button', { name: channelPattern }).first();
+  private getVoiceChannelButton(channelName: string): Locator {
+    return this.channelsSidePanel.locator(`button[data-channel-type="voice"][data-channel-name="${channelName}"]`).first();
   }
 
   private async createTextChannelThroughComponent(channelName: string): Promise<void> {
@@ -384,7 +442,3 @@ export class ChatRoomPage {
     await this.page.waitForTimeout(500);
   }
 }
-
-function escapeRegExp(value: string): string {
-  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
-}
diff --git a/e2e/pages/server-search.page.ts b/e2e/pages/server-search.page.ts
index 14679f2..7553735 100644
--- a/e2e/pages/server-search.page.ts
+++ b/e2e/pages/server-search.page.ts
@@ -7,6 +7,8 @@ import {
 export class ServerSearchPage {
   readonly searchInput: Locator;
   readonly createServerButton: Locator;
+  readonly railCreateServerButton: Locator;
+  readonly searchCreateServerButton: Locator;
   readonly settingsButton: Locator;
 
   // Create server dialog
@@ -21,7 +23,9 @@ export class ServerSearchPage {
 
   constructor(private page: Page) {
     this.searchInput = page.getByPlaceholder('Search servers...');
-    this.createServerButton = page.getByRole('button', { name: 'Create New Server' });
+    this.railCreateServerButton = page.locator('button[title="Create Server"]');
+    this.searchCreateServerButton = page.getByRole('button', { name: 'Create New Server' });
+    this.createServerButton = this.searchCreateServerButton;
     this.settingsButton = page.locator('button[title="Settings"]');
 
     // Create dialog elements
@@ -39,8 +43,20 @@ export class ServerSearchPage {
     await this.page.goto('/search');
   }
 
-  async createServer(name: string, options?: { description?: string; topic?: string }) {
-    await this.createServerButton.click();
+  async createServer(name: string, options?: { description?: string; topic?: string; sourceId?: string }) {
+    if (!await this.serverNameInput.isVisible()) {
+      if (await this.searchCreateServerButton.isVisible()) {
+        await this.searchCreateServerButton.click();
+      } else {
+        await this.railCreateServerButton.click();
+
+        if (!await this.serverNameInput.isVisible()) {
+          await expect(this.searchCreateServerButton).toBeVisible({ timeout: 10_000 });
+          await this.searchCreateServerButton.click();
+        }
+      }
+    }
+
     await expect(this.serverNameInput).toBeVisible();
     await this.serverNameInput.fill(name);
 
@@ -52,6 +68,10 @@ export class ServerSearchPage {
       await this.serverTopicInput.fill(options.topic);
     }
 
+    if (options?.sourceId) {
+      await this.signalEndpointSelect.selectOption(options.sourceId);
+    }
+
     await this.dialogCreateButton.click();
   }
 
diff --git a/e2e/playwright.config.ts b/e2e/playwright.config.ts
index 3748b1d..c1ac927 100644
--- a/e2e/playwright.config.ts
+++ b/e2e/playwright.config.ts
@@ -22,7 +22,7 @@ export default defineConfig({
         ...devices['Desktop Chrome'],
         permissions: ['microphone', 'camera'],
         launchOptions: {
-          args: ['--use-fake-device-for-media-stream', '--use-fake-ui-for-media-stream']
+          args: ['--use-fake-device-for-media-stream', '--use-fake-ui-for-media-stream', '--autoplay-policy=no-user-gesture-required']
         }
       }
     }
diff --git a/e2e/tests/voice/mixed-signal-config-voice.spec.ts b/e2e/tests/voice/mixed-signal-config-voice.spec.ts
new file mode 100644
index 0000000..36f3942
--- /dev/null
+++ b/e2e/tests/voice/mixed-signal-config-voice.spec.ts
@@ -0,0 +1,781 @@
+import { expect, type Page } from '@playwright/test';
+import { test, type Client } from '../../fixtures/multi-client';
+import {
+  installTestServerEndpoints,
+  type SeededEndpointInput
+} from '../../helpers/seed-test-endpoint';
+import { startTestServer } from '../../helpers/test-server';
+import {
+  dumpRtcDiagnostics,
+  getConnectedPeerCount,
+  installWebRTCTracking,
+  waitForAllPeerAudioFlow,
+  waitForAudioStatsPresent,
+  waitForConnectedPeerCount,
+  waitForPeerConnected
+} from '../../helpers/webrtc-helpers';
+import { RegisterPage } from '../../pages/register.page';
+import { ServerSearchPage } from '../../pages/server-search.page';
+import { ChatRoomPage } from '../../pages/chat-room.page';
+import { ChatMessagesPage } from '../../pages/chat-messages.page';
+
+// ── Signal endpoint identifiers ──────────────────────────────────────
+const PRIMARY_SIGNAL_ID = 'e2e-mixed-signal-a';
+const SECONDARY_SIGNAL_ID = 'e2e-mixed-signal-b';
+
+// ── Room / channel names ─────────────────────────────────────────────
+const VOICE_ROOM_NAME = `Mixed Signal Voice ${Date.now()}`;
+const SECONDARY_ROOM_NAME = `Mixed Signal Chat ${Date.now()}`;
+const VOICE_CHANNEL = 'General';
+
+// ── User constants ───────────────────────────────────────────────────
+const USER_PASSWORD = 'TestPass123!';
+const USER_COUNT = 8;
+const EXPECTED_REMOTE_PEERS = USER_COUNT - 1;
+const STABILITY_WINDOW_MS = 20_000;
+
+// ── User signal configuration groups ─────────────────────────────────
+//
+// Group A (users 0-1): Both signal servers in network config (normal)
+// Group B (users 2-3): Only primary signal — secondary NOT in config.
+//                       They join the secondary room via invite link,
+//                       which auto-adds the endpoint.
+// Group C (users 4-5): Both signals initially, but secondary is removed
+//                       after registration. They still see the room from
+//                       search because the primary signal can discover it
+//                       via findServerAcrossActiveEndpoints fallback.
+// Group D (users 6-7): Only secondary signal in config. They join the
+//                       primary room via invite link.
+
+type SignalGroup = 'both' | 'primary-only' | 'both-then-remove-secondary' | 'secondary-only';
+
+interface TestUser {
+  username: string;
+  displayName: string;
+  password: string;
+  group: SignalGroup;
+}
+
+type TestClient = Client & { user: TestUser };
+
+function endpointsForGroup(
+  group: SignalGroup,
+  primaryUrl: string,
+  secondaryUrl: string
+): SeededEndpointInput[] {
+  switch (group) {
+    case 'both':
+      return [
+        { id: PRIMARY_SIGNAL_ID, name: 'E2E Signal A', url: primaryUrl, isActive: true, status: 'online' },
+        { id: SECONDARY_SIGNAL_ID, name: 'E2E Signal B', url: secondaryUrl, isActive: true, status: 'online' }
+      ];
+    case 'primary-only':
+      return [
+        { id: PRIMARY_SIGNAL_ID, name: 'E2E Signal A', url: primaryUrl, isActive: true, status: 'online' }
+      ];
+    case 'both-then-remove-secondary':
+      // Seed both initially; test will remove secondary after registration.
+      return [
+        { id: PRIMARY_SIGNAL_ID, name: 'E2E Signal A', url: primaryUrl, isActive: true, status: 'online' },
+        { id: SECONDARY_SIGNAL_ID, name: 'E2E Signal B', url: secondaryUrl, isActive: true, status: 'online' }
+      ];
+    case 'secondary-only':
+      return [
+        { id: SECONDARY_SIGNAL_ID, name: 'E2E Signal B', url: secondaryUrl, isActive: true, status: 'online' }
+      ];
+  }
+}
+
+test.describe('Mixed signal-config voice', () => {
+  test('8 users with different signal configs can voice, mute, deafen, and chat concurrently', async ({
+    createClient,
+    testServer
+  }) => {
+    test.setTimeout(720_000);
+
+    const secondaryServer = await startTestServer();
+
+    try {
+      const allEndpoints: SeededEndpointInput[] = [
+        { id: PRIMARY_SIGNAL_ID, name: 'E2E Signal A', url: testServer.url, isActive: true, status: 'online' },
+        { id: SECONDARY_SIGNAL_ID, name: 'E2E Signal B', url: secondaryServer.url, isActive: true, status: 'online' }
+      ];
+
+      const users = buildUsers();
+      const clients: TestClient[] = [];
+
+      // ── Create clients with per-group endpoint configs ───────────
+      for (const user of users) {
+        const client = await createClient();
+        const groupEndpoints = endpointsForGroup(user.group, testServer.url, secondaryServer.url);
+
+        await installTestServerEndpoints(client.context, groupEndpoints);
+        await installDeterministicVoiceSettings(client.page);
+        await installWebRTCTracking(client.page);
+
+        clients.push({ ...client, user });
+      }
+
+      // ── Register ─────────────────────────────────────────────────
+      await test.step('Register each user on their configured signal endpoint', async () => {
+        for (const client of clients) {
+          const registerPage = new RegisterPage(client.page);
+          const registrationEndpointId =
+            client.user.group === 'secondary-only' ? SECONDARY_SIGNAL_ID : PRIMARY_SIGNAL_ID;
+
+          await registerPage.goto();
+          await registerPage.serverSelect.selectOption(registrationEndpointId);
+          await registerPage.register(client.user.username, client.user.displayName, client.user.password);
+          await expect(client.page).toHaveURL(/\/search/, { timeout: 20_000 });
+        }
+      });
+
+      // ── Create rooms ────────────────────────────────────────────
+      await test.step('Create voice room on primary and chat room on secondary', async () => {
+        // Use a "both" user (client 0) to create both rooms
+        const searchPage = new ServerSearchPage(clients[0].page);
+
+        await searchPage.createServer(VOICE_ROOM_NAME, {
+          description: 'Voice room on primary signal',
+          sourceId: PRIMARY_SIGNAL_ID
+        });
+        await expect(clients[0].page).toHaveURL(/\/room\//, { timeout: 20_000 });
+
+        await searchPage.createServer(SECONDARY_ROOM_NAME, {
+          description: 'Chat room on secondary signal',
+          sourceId: SECONDARY_SIGNAL_ID
+        });
+        await expect(clients[0].page).toHaveURL(/\/room\//, { timeout: 20_000 });
+      });
+
+      // ── Create invite links ─────────────────────────────────────
+      //
+      // Group B (primary-only) needs invite to secondary room.
+      // Group D (secondary-only) needs invite to primary room.
+      let primaryRoomInviteUrl: string;
+      let secondaryRoomInviteUrl: string;
+
+      await test.step('Create invite links for cross-signal rooms', async () => {
+        // Navigate to voice room to get its ID
+        await openSavedRoomByName(clients[0].page, VOICE_ROOM_NAME);
+        const primaryRoomId = await getCurrentRoomId(clients[0].page);
+        const userId = await getCurrentUserId(clients[0].page);
+
+        // Navigate to secondary room to get its ID
+        await openSavedRoomByName(clients[0].page, SECONDARY_ROOM_NAME);
+        const secondaryRoomId = await getCurrentRoomId(clients[0].page);
+
+        // Create invite for primary room (voice) via API
+        const primaryInvite = await createInviteViaApi(
+          testServer.url,
+          primaryRoomId,
+          userId,
+          clients[0].user.displayName
+        );
+        primaryRoomInviteUrl = `/invite/${primaryInvite.id}?server=${encodeURIComponent(testServer.url)}`;
+
+        // Create invite for secondary room (chat) via API
+        const secondaryInvite = await createInviteViaApi(
+          secondaryServer.url,
+          secondaryRoomId,
+          userId,
+          clients[0].user.displayName
+        );
+        secondaryRoomInviteUrl = `/invite/${secondaryInvite.id}?server=${encodeURIComponent(secondaryServer.url)}`;
+      });
+
+      // ── Remove secondary endpoint for group C ───────────────────
+      await test.step('Remove secondary signal from group C users', async () => {
+        for (const client of clients.filter((c) => c.user.group === 'both-then-remove-secondary')) {
+          await client.page.evaluate((primaryEndpoint) => {
+            localStorage.setItem('metoyou_server_endpoints', JSON.stringify([primaryEndpoint]));
+          }, { id: PRIMARY_SIGNAL_ID, name: 'E2E Signal A', url: testServer.url, isActive: true, isDefault: false, status: 'online' });
+        }
+      });
+
+      // ── Join rooms ──────────────────────────────────────────────
+      await test.step('All users join the voice room (some via search, some via invite)', async () => {
+        for (const client of clients.slice(1)) {
+          if (client.user.group === 'secondary-only') {
+            // Group D: no primary signal → join voice room via invite
+            await client.page.goto(primaryRoomInviteUrl);
+            await waitForInviteJoin(client.page);
+          } else {
+            // Groups A, B, C: have primary signal → join via search
+            await joinRoomFromSearch(client.page, VOICE_ROOM_NAME);
+          }
+        }
+
+        // Navigate client 0 back to voice room
+        await openSavedRoomByName(clients[0].page, VOICE_ROOM_NAME);
+      });
+
+      await test.step('All users also join the secondary chat room', async () => {
+        for (const client of clients.slice(1)) {
+          if (client.user.group === 'primary-only') {
+            // Group B: no secondary signal → join chat room via invite
+            await client.page.goto(secondaryRoomInviteUrl);
+            await waitForInviteJoin(client.page);
+          } else if (client.user.group === 'secondary-only') {
+            // Group D: has secondary → join via search
+            await openSearchView(client.page);
+            await joinRoomFromSearch(client.page, SECONDARY_ROOM_NAME);
+          } else {
+            // Groups A, C: can search
+            await openSearchView(client.page);
+            await joinRoomFromSearch(client.page, SECONDARY_ROOM_NAME);
+          }
+        }
+
+        // Ensure everyone navigates back to voice room
+        for (const client of clients) {
+          await openSavedRoomByName(client.page, VOICE_ROOM_NAME);
+        }
+      });
+
+      // ── Voice channel ───────────────────────────────────────────
+      await test.step('Create voice channel and join all 8 users', async () => {
+        const hostRoom = new ChatRoomPage(clients[0].page);
+
+        await hostRoom.ensureVoiceChannelExists(VOICE_CHANNEL);
+
+        for (const client of clients) {
+          await joinVoiceChannelUntilConnected(client.page, VOICE_CHANNEL);
+        }
+
+        for (const client of clients) {
+          await waitForVoiceRosterCount(client.page, VOICE_CHANNEL, USER_COUNT);
+        }
+      });
+
+      // ── Audio mesh ──────────────────────────────────────────────
+      await test.step('All users discover peers and audio flows pairwise', async () => {
+        await Promise.all(clients.map((client) =>
+          waitForPeerConnected(client.page, 45_000)
+        ));
+
+        await Promise.all(clients.map((client) =>
+          waitForConnectedPeerCount(client.page, EXPECTED_REMOTE_PEERS, 90_000)
+        ));
+
+        await Promise.all(clients.map((client) =>
+          waitForAudioStatsPresent(client.page, 30_000)
+        ));
+
+        await clients[0].page.waitForTimeout(5_000);
+
+        await Promise.all(clients.map((client) =>
+          waitForAllPeerAudioFlow(client.page, EXPECTED_REMOTE_PEERS, 90_000)
+        ));
+      });
+
+      // ── Voice workspace roster ──────────────────────────────────
+      await test.step('Voice workspace shows all 8 users on every client', async () => {
+        for (const client of clients) {
+          const room = new ChatRoomPage(client.page);
+
+          await openVoiceWorkspace(client.page);
+          await expect(room.voiceWorkspace).toBeVisible({ timeout: 10_000 });
+          await waitForVoiceWorkspaceUserCount(client.page, USER_COUNT);
+          await waitForVoiceRosterCount(client.page, VOICE_CHANNEL, USER_COUNT);
+        }
+      });
+
+      // ── Stability + concurrent chat ─────────────────────────────
+      await test.step('Voice stays stable 20s while some users navigate and chat on other servers', async () => {
+        // Pick 2 users from different groups to navigate away and chat
+        const chatters = [clients[2], clients[6]]; // group C + group D
+        const stayers = clients.filter((c) => !chatters.includes(c));
+
+        // Chatters navigate to secondary room and send messages
+        for (const chatter of chatters) {
+          await openSavedRoomByName(chatter.page, SECONDARY_ROOM_NAME);
+          await expect(chatter.page.locator('app-rooms-side-panel').first()).toBeVisible({ timeout: 10_000 });
+        }
+
+        const chatPage0 = new ChatMessagesPage(chatters[0].page);
+        const chatPage1 = new ChatMessagesPage(chatters[1].page);
+
+        await chatPage0.sendMessage(`Hello from ${chatters[0].user.displayName} while in voice!`);
+        await chatPage1.sendMessage(`Reply from ${chatters[1].user.displayName} also in voice!`);
+
+        // Verify messages arrive
+        await expect(
+          chatPage0.getMessageItemByText(`Reply from ${chatters[1].user.displayName}`)
+        ).toBeVisible({ timeout: 15_000 });
+        await expect(
+          chatPage1.getMessageItemByText(`Hello from ${chatters[0].user.displayName}`)
+        ).toBeVisible({ timeout: 15_000 });
+
+        // Meanwhile stability loop on all clients (including chatters — voice still active)
+        const deadline = Date.now() + STABILITY_WINDOW_MS;
+
+        while (Date.now() < deadline) {
+          for (const client of stayers) {
+            await expect.poll(async () => await getConnectedPeerCount(client.page), {
+              timeout: 10_000,
+              intervals: [500, 1_000]
+            }).toBe(EXPECTED_REMOTE_PEERS);
+          }
+
+          // Check chatters still have voice peers even while viewing another room
+          for (const chatter of chatters) {
+            await expect.poll(async () => await getConnectedPeerCount(chatter.page), {
+              timeout: 10_000,
+              intervals: [500, 1_000]
+            }).toBe(EXPECTED_REMOTE_PEERS);
+          }
+
+          if (Date.now() < deadline) {
+            await clients[0].page.waitForTimeout(5_000);
+          }
+        }
+
+        // Navigate chatters back to voice room
+        for (const chatter of chatters) {
+          await openSavedRoomByName(chatter.page, VOICE_ROOM_NAME);
+        }
+
+        // Verify audio still flowing after stability window
+        for (const client of clients) {
+          try {
+            await waitForAllPeerAudioFlow(client.page, EXPECTED_REMOTE_PEERS, 30_000);
+          } catch (error) {
+            console.log(`[${client.user.displayName} RTC]\n${await dumpRtcDiagnostics(client.page)}`);
+            throw error;
+          }
+        }
+      });
+
+      // ── Mute ────────────────────────────────────────────────────
+      await test.step('Mute state propagates for every user across all clients', async () => {
+        for (const client of clients) {
+          const room = new ChatRoomPage(client.page);
+
+          await room.muteButton.click();
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: true,
+            isDeafened: false
+          });
+
+          await room.muteButton.click();
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: false,
+            isDeafened: false
+          });
+        }
+      });
+
+      await test.step('Audio still flows on all peers after mute cycling', async () => {
+        for (const client of clients) {
+          try {
+            await waitForAllPeerAudioFlow(client.page, EXPECTED_REMOTE_PEERS, 30_000);
+          } catch (error) {
+            console.log(`[${client.user.displayName} post-mute RTC]\n${await dumpRtcDiagnostics(client.page)}`);
+            throw error;
+          }
+        }
+      });
+
+      // ── Deafen ──────────────────────────────────────────────────
+      await test.step('Deafen state propagates for every user across all clients', async () => {
+        for (const client of clients) {
+          const room = new ChatRoomPage(client.page);
+
+          await room.deafenButton.click();
+          await client.page.waitForTimeout(500);
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: true,
+            isDeafened: true
+          });
+
+          await room.deafenButton.click();
+          await client.page.waitForTimeout(500);
+          // Un-deafen does NOT restore mute – user stays muted
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: true,
+            isDeafened: false
+          });
+        }
+      });
+
+      await test.step('Unmute all users and verify audio flows end-to-end', async () => {
+        for (const client of clients) {
+          const room = new ChatRoomPage(client.page);
+
+          await room.muteButton.click();
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: false,
+            isDeafened: false
+          });
+        }
+
+        for (const client of clients) {
+          try {
+            await waitForAllPeerAudioFlow(client.page, EXPECTED_REMOTE_PEERS, 30_000);
+          } catch (error) {
+            console.log(`[${client.user.displayName} final RTC]\n${await dumpRtcDiagnostics(client.page)}`);
+            throw error;
+          }
+        }
+      });
+    } finally {
+      await secondaryServer.stop();
+    }
+  });
+});
+
+// ── User builders ────────────────────────────────────────────────────
+
+function buildUsers(): TestUser[] {
+  const groups: SignalGroup[] = [
+    'both', 'both',                                     // 0-1
+    'primary-only', 'primary-only',                     // 2-3
+    'both-then-remove-secondary', 'both-then-remove-secondary', // 4-5
+    'secondary-only', 'secondary-only'                  // 6-7
+  ];
+
+  return groups.map((group, index) => ({
+    username: `mixed_sig_${Date.now()}_${index + 1}`,
+    displayName: `Mixed User ${index + 1}`,
+    password: USER_PASSWORD,
+    group
+  }));
+}
+
+// ── API helpers ──────────────────────────────────────────────────────
+
+async function createInviteViaApi(
+  serverBaseUrl: string,
+  roomId: string,
+  userId: string,
+  displayName: string
+): Promise<{ id: string }> {
+  const response = await fetch(`${serverBaseUrl}/api/servers/${roomId}/invites`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({
+      requesterUserId: userId,
+      requesterDisplayName: displayName
+    })
+  });
+
+  if (!response.ok) {
+    throw new Error(`Failed to create invite: ${response.status} ${await response.text()}`);
+  }
+
+  return await response.json() as { id: string };
+}
+
+async function getCurrentRoomId(page: Page): Promise<string> {
+  return await page.evaluate(() => {
+    interface RoomShape { id: string }
+    interface AngularDebugApi {
+      getComponent: (element: Element) => Record<string, unknown>;
+    }
+
+    const host = document.querySelector('app-rooms-side-panel');
+    const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+    if (!host || !debugApi?.getComponent) {
+      throw new Error('Angular debug API unavailable');
+    }
+
+    const component = debugApi.getComponent(host);
+    const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.();
+
+    if (!currentRoom?.id) {
+      throw new Error('No current room');
+    }
+
+    return currentRoom.id;
+  });
+}
+
+async function getCurrentUserId(page: Page): Promise<string> {
+  return await page.evaluate(() => {
+    interface AngularDebugApi {
+      getComponent: (element: Element) => Record<string, unknown>;
+    }
+
+    interface UserShape {
+      id: string;
+    }
+
+    const host = document.querySelector('app-rooms-side-panel');
+    const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+    if (!host || !debugApi?.getComponent) {
+      throw new Error('Angular debug API unavailable');
+    }
+
+    const component = debugApi.getComponent(host);
+    const user = (component['currentUser'] as (() => UserShape | null) | undefined)?.();
+
+    if (!user?.id) {
+      throw new Error('Current user not found');
+    }
+
+    return user.id;
+  });
+}
+
+// ── Navigation helpers ───────────────────────────────────────────────
+
+async function installDeterministicVoiceSettings(page: Page): Promise<void> {
+  await page.addInitScript(() => {
+    localStorage.setItem('metoyou_voice_settings', JSON.stringify({
+      inputVolume: 100,
+      outputVolume: 100,
+      audioBitrate: 96,
+      latencyProfile: 'balanced',
+      includeSystemAudio: false,
+      noiseReduction: false,
+      screenShareQuality: 'balanced',
+      askScreenShareQuality: false
+    }));
+  });
+}
+
+async function openSearchView(page: Page): Promise<void> {
+  const searchInput = page.getByPlaceholder('Search servers...');
+
+  if (await searchInput.isVisible().catch(() => false)) {
+    return;
+  }
+
+  await page.locator('button[title="Create Server"]').click();
+  await expect(searchInput).toBeVisible({ timeout: 20_000 });
+}
+
+async function joinRoomFromSearch(page: Page, roomName: string): Promise<void> {
+  const searchInput = page.getByPlaceholder('Search servers...');
+
+  await expect(searchInput).toBeVisible({ timeout: 20_000 });
+  await searchInput.fill(roomName);
+
+  const roomCard = page.locator('button', { hasText: roomName }).first();
+
+  await expect(roomCard).toBeVisible({ timeout: 20_000 });
+  await roomCard.click();
+  await expect(page).toHaveURL(/\/room\//, { timeout: 20_000 });
+  await expect(page.locator('app-rooms-side-panel').first()).toBeVisible({ timeout: 20_000 });
+  await waitForCurrentRoomName(page, roomName);
+}
+
+async function openSavedRoomByName(page: Page, roomName: string): Promise<void> {
+  const roomButton = page.locator(`button[title="${roomName}"]`);
+
+  await expect(roomButton).toBeVisible({ timeout: 20_000 });
+  await roomButton.click();
+  await expect(page).toHaveURL(/\/room\//, { timeout: 20_000 });
+  await expect(page.locator('app-rooms-side-panel').first()).toBeVisible({ timeout: 20_000 });
+  await waitForCurrentRoomName(page, roomName);
+}
+
+async function waitForInviteJoin(page: Page): Promise<void> {
+  // Invite page loads → auto-joins → redirects to room
+  await expect(page).toHaveURL(/\/room\//, { timeout: 30_000 });
+  await expect(page.locator('app-rooms-side-panel').first()).toBeVisible({ timeout: 20_000 });
+}
+
+async function waitForCurrentRoomName(page: Page, roomName: string, timeout = 20_000): Promise<void> {
+  await page.waitForFunction(
+    (expectedRoomName) => {
+      interface RoomShape { name?: string }
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+
+      return currentRoom?.name === expectedRoomName;
+    },
+    roomName,
+    { timeout }
+  );
+}
+
+async function openVoiceWorkspace(page: Page): Promise<void> {
+  if (await page.locator('app-voice-workspace').isVisible().catch(() => false)) {
+    return;
+  }
+
+  const viewButton = page.locator('app-rooms-side-panel').getByRole('button', { name: /view|open/i }).first();
+
+  await expect(viewButton).toBeVisible({ timeout: 10_000 });
+  await viewButton.click();
+}
+
+// ── Voice helpers ────────────────────────────────────────────────────
+
+async function joinVoiceChannelUntilConnected(page: Page, channelName: string, attempts = 3): Promise<void> {
+  const room = new ChatRoomPage(page);
+  let lastError: unknown;
+
+  for (let attempt = 1; attempt <= attempts; attempt++) {
+    await room.joinVoiceChannel(channelName);
+
+    try {
+      await waitForLocalVoiceChannelConnection(page, channelName, 20_000);
+      await expect(room.muteButton).toBeVisible({ timeout: 10_000 });
+      return;
+    } catch (error) {
+      lastError = error;
+      await page.waitForTimeout(1_000);
+    }
+  }
+
+  throw new Error([
+    `Failed to connect ${page.url()} to voice channel ${channelName}.`,
+    lastError instanceof Error ? `Last error: ${lastError.message}` : 'Last error: unavailable'
+  ].join('\n'));
+}
+
+async function waitForLocalVoiceChannelConnection(page: Page, channelName: string, timeout = 20_000): Promise<void> {
+  await page.waitForFunction(
+    (name) => {
+      interface VoiceStateShape { isConnected?: boolean; roomId?: string; serverId?: string }
+      interface UserShape { voiceState?: VoiceStateShape }
+      interface ChannelShape { id: string; name: string; type: 'text' | 'voice' }
+      interface RoomShape { id: string; channels?: ChannelShape[] }
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+      const currentUser = (component['currentUser'] as (() => UserShape | null) | undefined)?.() ?? null;
+      const voiceChannel = currentRoom?.channels?.find((ch) => ch.type === 'voice' && ch.name === name);
+      const voiceState = currentUser?.voiceState;
+
+      return !!voiceChannel
+        && voiceState?.isConnected === true
+        && voiceState.roomId === voiceChannel.id
+        && voiceState.serverId === currentRoom.id;
+    },
+    channelName,
+    { timeout }
+  );
+}
+
+// ── Roster / state helpers ───────────────────────────────────────────
+
+async function waitForVoiceWorkspaceUserCount(page: Page, expectedCount: number): Promise<void> {
+  await page.waitForFunction(
+    (count) => {
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-voice-workspace');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const connectedUsers = (component['connectedVoiceUsers'] as (() => Array<unknown>) | undefined)?.() ?? [];
+
+      return connectedUsers.length === count;
+    },
+    expectedCount,
+    { timeout: 45_000 }
+  );
+}
+
+async function waitForVoiceRosterCount(page: Page, channelName: string, expectedCount: number): Promise<void> {
+  await page.waitForFunction(
+    ({ expected, name }) => {
+      interface ChannelShape { id: string; name: string; type: 'text' | 'voice' }
+      interface RoomShape { channels?: ChannelShape[] }
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+      const channelId = currentRoom?.channels?.find((ch) => ch.type === 'voice' && ch.name === name)?.id;
+
+      if (!channelId) {
+        return false;
+      }
+
+      const roster = (component['voiceUsersInRoom'] as ((roomId: string) => Array<unknown>) | undefined)?.(channelId) ?? [];
+
+      return roster.length === expected;
+    },
+    { expected: expectedCount, name: channelName },
+    { timeout: 30_000 }
+  );
+}
+
+async function waitForVoiceStateAcrossPages(
+  clients: ReadonlyArray<TestClient>,
+  displayName: string,
+  expectedState: { isMuted: boolean; isDeafened: boolean }
+): Promise<void> {
+  for (const client of clients) {
+    await client.page.waitForFunction(
+      ({ expectedDisplayName, expectedMuted, expectedDeafened }) => {
+        interface VoiceStateShape { isMuted?: boolean; isDeafened?: boolean }
+        interface ChannelShape { id: string; name: string; type: 'text' | 'voice' }
+        interface UserShape { displayName: string; voiceState?: VoiceStateShape }
+        interface RoomShape { channels?: ChannelShape[] }
+        interface AngularDebugApi {
+          getComponent: (element: Element) => Record<string, unknown>;
+        }
+
+        const host = document.querySelector('app-rooms-side-panel');
+        const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+        if (!host || !debugApi?.getComponent) {
+          return false;
+        }
+
+        const component = debugApi.getComponent(host);
+        const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+        const voiceChannel = currentRoom?.channels?.find((ch) => ch.type === 'voice');
+
+        if (!voiceChannel) {
+          return false;
+        }
+
+        const roster = (component['voiceUsersInRoom'] as ((roomId: string) => UserShape[]) | undefined)?.(voiceChannel.id) ?? [];
+        const entry = roster.find((u) => u.displayName === expectedDisplayName);
+
+        return entry?.voiceState?.isMuted === expectedMuted
+          && entry?.voiceState?.isDeafened === expectedDeafened;
+      },
+      {
+        expectedDisplayName: displayName,
+        expectedMuted: expectedState.isMuted,
+        expectedDeafened: expectedState.isDeafened
+      },
+      { timeout: 30_000 }
+    );
+  }
+}
diff --git a/e2e/tests/voice/multi-signal-eight-user-voice.spec.ts b/e2e/tests/voice/multi-signal-eight-user-voice.spec.ts
new file mode 100644
index 0000000..ce5f0d4
--- /dev/null
+++ b/e2e/tests/voice/multi-signal-eight-user-voice.spec.ts
@@ -0,0 +1,761 @@
+import { expect, type Page } from '@playwright/test';
+import { test, type Client } from '../../fixtures/multi-client';
+import {
+  installTestServerEndpoints,
+  type SeededEndpointInput
+} from '../../helpers/seed-test-endpoint';
+import { startTestServer } from '../../helpers/test-server';
+import {
+  dumpRtcDiagnostics,
+  getConnectedPeerCount,
+  installWebRTCTracking,
+  waitForAllPeerAudioFlow,
+  waitForAudioStatsPresent,
+  waitForConnectedPeerCount,
+  waitForPeerConnected
+} from '../../helpers/webrtc-helpers';
+import { RegisterPage } from '../../pages/register.page';
+import { ServerSearchPage } from '../../pages/server-search.page';
+import { ChatRoomPage } from '../../pages/chat-room.page';
+
+const PRIMARY_SIGNAL_ID = 'e2e-test-server-a';
+const SECONDARY_SIGNAL_ID = 'e2e-test-server-b';
+const PRIMARY_ROOM_NAME = `Dual Signal Voice A ${Date.now()}`;
+const SECONDARY_ROOM_NAME = `Dual Signal Voice B ${Date.now()}`;
+const VOICE_CHANNEL = 'General';
+const USER_PASSWORD = 'TestPass123!';
+const USER_COUNT = 8;
+const EXPECTED_REMOTE_PEERS = USER_COUNT - 1;
+const STABILITY_WINDOW_MS = 20_000;
+
+type TestUser = {
+  username: string;
+  displayName: string;
+  password: string;
+};
+
+type TestClient = Client & {
+  user: TestUser;
+};
+
+test.describe('Dual-signal multi-user voice', () => {
+  test('keeps 8 users on 2 signal apis while voice, mute, and deafen stay consistent for 20+ seconds', async ({
+    createClient,
+    testServer
+  }) => {
+    test.setTimeout(720_000);
+
+    const secondaryServer = await startTestServer();
+
+    try {
+      const endpoints: SeededEndpointInput[] = [
+        {
+          id: PRIMARY_SIGNAL_ID,
+          name: 'E2E Signal A',
+          url: testServer.url,
+          isActive: true,
+          status: 'online'
+        },
+        {
+          id: SECONDARY_SIGNAL_ID,
+          name: 'E2E Signal B',
+          url: secondaryServer.url,
+          isActive: true,
+          status: 'online'
+        }
+      ];
+
+      const users = buildUsers();
+      const clients = await createTrackedClients(createClient, users, endpoints);
+
+      await test.step('Register every user with both active endpoints available', async () => {
+        for (const client of clients) {
+          const registerPage = new RegisterPage(client.page);
+
+          await registerPage.goto();
+          await registerPage.serverSelect.selectOption(PRIMARY_SIGNAL_ID);
+          await registerPage.register(client.user.username, client.user.displayName, client.user.password);
+          await expect(client.page).toHaveURL(/\/search/, { timeout: 20_000 });
+        }
+      });
+
+      await test.step('Create primary and secondary rooms on different signal endpoints', async () => {
+        const searchPage = new ServerSearchPage(clients[0].page);
+
+        await searchPage.createServer(PRIMARY_ROOM_NAME, {
+          description: 'Primary signal room for 8-user voice mesh',
+          sourceId: PRIMARY_SIGNAL_ID
+        });
+        await expect(clients[0].page).toHaveURL(/\/room\//, { timeout: 20_000 });
+
+        await searchPage.createServer(SECONDARY_ROOM_NAME, {
+          description: 'Secondary signal room for dual-socket coverage',
+          sourceId: SECONDARY_SIGNAL_ID
+        });
+        await expect(clients[0].page).toHaveURL(/\/room\//, { timeout: 20_000 });
+      });
+
+      await test.step('Every user joins both rooms to keep 2 signal sockets open', async () => {
+        for (const client of clients.slice(1)) {
+          await joinRoomFromSearch(client.page, PRIMARY_ROOM_NAME);
+        }
+
+        for (const client of clients.slice(1)) {
+          await openSearchView(client.page);
+          await joinRoomFromSearch(client.page, SECONDARY_ROOM_NAME);
+        }
+
+        for (const client of clients) {
+          await openSavedRoomByName(client.page, PRIMARY_ROOM_NAME);
+          await waitForConnectedSignalManagerCount(client.page, 2);
+        }
+      });
+
+      await test.step('Create voice channel and join all 8 users', async () => {
+        const hostRoom = new ChatRoomPage(clients[0].page);
+
+        await hostRoom.ensureVoiceChannelExists(VOICE_CHANNEL);
+
+        for (const client of clients) {
+          await joinVoiceChannelUntilConnected(client.page, VOICE_CHANNEL);
+        }
+
+        for (const client of clients) {
+          await waitForVoiceRosterCount(client.page, VOICE_CHANNEL, USER_COUNT);
+        }
+      });
+
+      await test.step('All users discover all peers and audio flows pairwise', async () => {
+        // Wait for all clients to have at least one connected peer (fast)
+        await Promise.all(clients.map((client) =>
+          waitForPeerConnected(client.page, 45_000)
+        ));
+
+        // Wait for all clients to have all 7 peers connected
+        await Promise.all(clients.map((client) =>
+          waitForConnectedPeerCount(client.page, EXPECTED_REMOTE_PEERS, 90_000)
+        ));
+
+        // Wait for audio stats to appear on all clients
+        await Promise.all(clients.map((client) =>
+          waitForAudioStatsPresent(client.page, 30_000)
+        ));
+
+        // Allow the mesh to settle — voice routing, allowed-peer-id
+        // propagation and renegotiation all need time after the last
+        // user joins.
+        await clients[0].page.waitForTimeout(5_000);
+
+        // Check bidirectional audio flow on each client
+        await Promise.all(clients.map((client) =>
+          waitForAllPeerAudioFlow(client.page, EXPECTED_REMOTE_PEERS, 90_000)
+        ));
+      });
+
+      await test.step('Voice workspace and side panel show all 8 users on every client', async () => {
+        for (const client of clients) {
+          const room = new ChatRoomPage(client.page);
+
+          await openVoiceWorkspace(client.page);
+          await expect(room.voiceWorkspace).toBeVisible({ timeout: 10_000 });
+          await waitForVoiceWorkspaceUserCount(client.page, USER_COUNT);
+          await waitForVoiceRosterCount(client.page, VOICE_CHANNEL, USER_COUNT);
+          await waitForConnectedSignalManagerCount(client.page, 2);
+        }
+      });
+
+      await test.step('Voice stays stable for more than 20 seconds across both signals', async () => {
+        const deadline = Date.now() + STABILITY_WINDOW_MS;
+
+        while (Date.now() < deadline) {
+          for (const client of clients) {
+            await expect.poll(async () => await getConnectedPeerCount(client.page), {
+              timeout: 10_000,
+              intervals: [500, 1_000]
+            }).toBe(EXPECTED_REMOTE_PEERS);
+            await expect.poll(async () => await getConnectedSignalManagerCount(client.page), {
+              timeout: 10_000,
+              intervals: [500, 1_000]
+            }).toBe(2);
+          }
+
+          if (Date.now() < deadline) {
+            await clients[0].page.waitForTimeout(5_000);
+          }
+        }
+
+        for (const client of clients) {
+          try {
+            await waitForAllPeerAudioFlow(client.page, EXPECTED_REMOTE_PEERS, 30_000);
+          } catch (error) {
+            console.log(`[${client.user.displayName} RTC]\n${await dumpRtcDiagnostics(client.page)}`);
+            throw error;
+          }
+        }
+      });
+
+      await test.step('Mute state propagates for every user across all clients', async () => {
+        for (const client of clients) {
+          const room = new ChatRoomPage(client.page);
+
+          await room.muteButton.click();
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: true,
+            isDeafened: false
+          });
+
+          await room.muteButton.click();
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: false,
+            isDeafened: false
+          });
+        }
+      });
+
+      await test.step('Audio still flows on all peers after mute cycling', async () => {
+        for (const client of clients) {
+          try {
+            await waitForAllPeerAudioFlow(client.page, EXPECTED_REMOTE_PEERS, 30_000);
+          } catch (error) {
+            console.log(`[${client.user.displayName} post-mute RTC]\n${await dumpRtcDiagnostics(client.page)}`);
+            throw error;
+          }
+        }
+      });
+
+      await test.step('Deafen state propagates for every user across all clients', async () => {
+        for (const client of clients) {
+          const room = new ChatRoomPage(client.page);
+
+          await room.deafenButton.click();
+          await client.page.waitForTimeout(500);
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: true,
+            isDeafened: true
+          });
+
+          await room.deafenButton.click();
+          await client.page.waitForTimeout(500);
+          // Un-deafen does NOT restore mute – the user stays muted
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: true,
+            isDeafened: false
+          });
+        }
+      });
+
+      await test.step('Unmute all users and verify audio flows end-to-end', async () => {
+        // Every user is left muted after deafen cycling — unmute them all
+        for (const client of clients) {
+          const room = new ChatRoomPage(client.page);
+
+          await room.muteButton.click();
+          await waitForVoiceStateAcrossPages(clients, client.user.displayName, {
+            isMuted: false,
+            isDeafened: false
+          });
+        }
+
+        // Final audio flow check on every peer — confirms the full
+        // send/receive pipeline still works after mute+deafen cycling
+        for (const client of clients) {
+          try {
+            await waitForAllPeerAudioFlow(client.page, EXPECTED_REMOTE_PEERS, 30_000);
+          } catch (error) {
+            console.log(`[${client.user.displayName} final RTC]\n${await dumpRtcDiagnostics(client.page)}`);
+            throw error;
+          }
+        }
+      });
+    } finally {
+      await secondaryServer.stop();
+    }
+  });
+});
+
+function buildUsers(): TestUser[] {
+  return Array.from({ length: USER_COUNT }, (_value, index) => ({
+    username: `voice8_user_${Date.now()}_${index + 1}`,
+    displayName: `Voice User ${index + 1}`,
+    password: USER_PASSWORD
+  }));
+}
+
+async function createTrackedClients(
+  createClient: () => Promise<Client>,
+  users: TestUser[],
+  endpoints: ReadonlyArray<SeededEndpointInput>
+): Promise<TestClient[]> {
+  const clients: TestClient[] = [];
+
+  for (const user of users) {
+    const client = await createClient();
+
+    await installTestServerEndpoints(client.context, endpoints);
+    await installDeterministicVoiceSettings(client.page);
+    await installWebRTCTracking(client.page);
+
+    clients.push({
+      ...client,
+      user
+    });
+  }
+
+  return clients;
+}
+
+async function installDeterministicVoiceSettings(page: Page): Promise<void> {
+  await page.addInitScript(() => {
+    localStorage.setItem('metoyou_voice_settings', JSON.stringify({
+      inputVolume: 100,
+      outputVolume: 100,
+      audioBitrate: 96,
+      latencyProfile: 'balanced',
+      includeSystemAudio: false,
+      noiseReduction: false,
+      screenShareQuality: 'balanced',
+      askScreenShareQuality: false
+    }));
+  });
+}
+
+async function openSearchView(page: Page): Promise<void> {
+  const searchInput = page.getByPlaceholder('Search servers...');
+
+  if (await searchInput.isVisible().catch(() => false)) {
+    return;
+  }
+
+  await page.locator('button[title="Create Server"]').click();
+  await expect(searchInput).toBeVisible({ timeout: 20_000 });
+}
+
+async function joinRoomFromSearch(page: Page, roomName: string): Promise<void> {
+  const searchInput = page.getByPlaceholder('Search servers...');
+
+  await expect(searchInput).toBeVisible({ timeout: 20_000 });
+  await searchInput.fill(roomName);
+
+  const roomCard = page.locator('button', { hasText: roomName }).first();
+
+  await expect(roomCard).toBeVisible({ timeout: 20_000 });
+  await roomCard.click();
+  await expect(page).toHaveURL(/\/room\//, { timeout: 20_000 });
+  await expect(page.locator('app-rooms-side-panel').first()).toBeVisible({ timeout: 20_000 });
+  await waitForCurrentRoomName(page, roomName);
+}
+
+async function openSavedRoomByName(page: Page, roomName: string): Promise<void> {
+  const roomButton = page.locator(`button[title="${roomName}"]`);
+
+  await expect(roomButton).toBeVisible({ timeout: 20_000 });
+  await roomButton.click();
+  await expect(page).toHaveURL(/\/room\//, { timeout: 20_000 });
+  await expect(page.locator('app-rooms-side-panel').first()).toBeVisible({ timeout: 20_000 });
+  await waitForCurrentRoomName(page, roomName);
+}
+
+async function waitForCurrentRoomName(page: Page, roomName: string, timeout = 20_000): Promise<void> {
+  await page.waitForFunction(
+    (expectedRoomName) => {
+      interface RoomShape {
+        name?: string;
+      }
+
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+
+      return currentRoom?.name === expectedRoomName;
+    },
+    roomName,
+    { timeout }
+  );
+}
+
+async function openVoiceWorkspace(page: Page): Promise<void> {
+  const viewButton = page.locator('app-rooms-side-panel').getByRole('button', { name: /view|open/i }).first();
+
+  if (await page.locator('app-voice-workspace').isVisible().catch(() => false)) {
+    return;
+  }
+
+  await expect(viewButton).toBeVisible({ timeout: 10_000 });
+  await viewButton.click();
+}
+
+async function joinVoiceChannelUntilConnected(page: Page, channelName: string, attempts = 3): Promise<void> {
+  const room = new ChatRoomPage(page);
+  let lastError: unknown;
+
+  for (let attempt = 1; attempt <= attempts; attempt++) {
+    await room.joinVoiceChannel(channelName);
+
+    try {
+      await waitForLocalVoiceChannelConnection(page, channelName, 20_000);
+      await expect(room.muteButton).toBeVisible({ timeout: 10_000 });
+      return;
+    } catch (error) {
+      lastError = error;
+      await page.waitForTimeout(1_000);
+    }
+  }
+
+  const diagnostics = await getVoiceJoinDiagnostics(page, channelName);
+  const displayName = diagnostics.currentUser?.displayName ?? 'Unknown user';
+
+  throw new Error([
+    `Failed to connect ${displayName} to voice channel ${channelName}.`,
+    lastError instanceof Error ? `Last error: ${lastError.message}` : 'Last error: unavailable',
+    `Current room: ${diagnostics.currentRoom?.name ?? 'none'} (${diagnostics.currentRoom?.id ?? 'n/a'})`,
+    `Current user id: ${diagnostics.currentUser?.id ?? 'none'} / ${diagnostics.currentUser?.oderId ?? 'none'}`,
+    `Current user voice state: ${JSON.stringify(diagnostics.currentUser?.voiceState ?? null)}`,
+    `Voice channel id: ${diagnostics.voiceChannel?.id ?? 'missing'}`,
+    `Visible voice roster: ${diagnostics.voiceUsers.join(', ') || 'none'}`,
+    `Connected signaling managers: ${diagnostics.connectedSignalCount}`,
+    `Local voice facade state: ${JSON.stringify(diagnostics.localVoiceState)}`,
+    `Voice connection error: ${diagnostics.connectionErrorMessage ?? 'none'}`
+  ].join('\n'));
+}
+
+async function waitForLocalVoiceChannelConnection(page: Page, channelName: string, timeout = 20_000): Promise<void> {
+  await page.waitForFunction(
+    (name) => {
+      interface VoiceStateShape {
+        isConnected?: boolean;
+        roomId?: string;
+        serverId?: string;
+      }
+
+      interface UserShape {
+        voiceState?: VoiceStateShape;
+      }
+
+      interface ChannelShape {
+        id: string;
+        name: string;
+        type: 'text' | 'voice';
+      }
+
+      interface RoomShape {
+        id: string;
+        channels?: ChannelShape[];
+      }
+
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+      const currentUser = (component['currentUser'] as (() => UserShape | null) | undefined)?.() ?? null;
+      const voiceChannel = currentRoom?.channels?.find((channel) => channel.type === 'voice' && channel.name === name);
+      const voiceState = currentUser?.voiceState;
+
+      return !!voiceChannel
+        && voiceState?.isConnected === true
+        && voiceState.roomId === voiceChannel.id
+        && voiceState.serverId === currentRoom.id;
+    },
+    channelName,
+    { timeout }
+  );
+}
+
+async function getVoiceJoinDiagnostics(page: Page, channelName: string): Promise<{
+  connectedSignalCount: number;
+  connectionErrorMessage: string | null;
+  currentRoom: { id?: string; name?: string } | null;
+  currentUser: { id?: string; oderId?: string; displayName?: string; voiceState?: Record<string, unknown> } | null;
+  localVoiceState: {
+    isVoiceConnected: boolean;
+    localStreamTracks: number;
+    rawMicTracks: number;
+  };
+  voiceChannel: { id?: string; name?: string } | null;
+  voiceUsers: string[];
+}> {
+  return await page.evaluate((name) => {
+    interface VoiceStateShape {
+      isConnected?: boolean;
+      isMuted?: boolean;
+      isDeafened?: boolean;
+      roomId?: string;
+      serverId?: string;
+    }
+
+    interface UserShape {
+      id?: string;
+      oderId?: string;
+      displayName?: string;
+      voiceState?: VoiceStateShape;
+    }
+
+    interface ChannelShape {
+      id: string;
+      name: string;
+      type: 'text' | 'voice';
+    }
+
+    interface RoomShape {
+      id?: string;
+      name?: string;
+      channels?: ChannelShape[];
+    }
+
+    interface AngularDebugApi {
+      getComponent: (element: Element) => Record<string, unknown>;
+    }
+
+    const host = document.querySelector('app-rooms-side-panel');
+    const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+    if (!host || !debugApi?.getComponent) {
+      return {
+        connectedSignalCount: 0,
+        connectionErrorMessage: 'Angular debug API unavailable',
+        currentRoom: null,
+        currentUser: null,
+        localVoiceState: {
+          isVoiceConnected: false,
+          localStreamTracks: 0,
+          rawMicTracks: 0
+        },
+        voiceChannel: null,
+        voiceUsers: []
+      };
+    }
+
+    const component = debugApi.getComponent(host);
+    const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+    const currentUser = (component['currentUser'] as (() => UserShape | null) | undefined)?.() ?? null;
+    const voiceChannel = currentRoom?.channels?.find((channel) => channel.type === 'voice' && channel.name === name) ?? null;
+    const voiceUsers = voiceChannel
+      ? ((component['voiceUsersInRoom'] as ((roomId: string) => UserShape[]) | undefined)?.(voiceChannel.id) ?? [])
+        .map((user) => user.displayName ?? 'Unknown user')
+      : [];
+    const voiceConnection = component['voiceConnection'] as {
+      getLocalStream?: () => MediaStream | null;
+      getRawMicStream?: () => MediaStream | null;
+      isVoiceConnected?: () => boolean;
+    } | undefined;
+    const realtime = component['realtime'] as {
+      connectionErrorMessage?: () => string | null;
+      signalingTransportHandler?: {
+        getConnectedSignalingManagers?: () => Array<{ signalUrl: string }>;
+      };
+    } | undefined;
+
+    return {
+      connectedSignalCount: realtime?.signalingTransportHandler?.getConnectedSignalingManagers?.().length ?? 0,
+      connectionErrorMessage: realtime?.connectionErrorMessage?.() ?? null,
+      currentRoom,
+      currentUser,
+      localVoiceState: {
+        isVoiceConnected: voiceConnection?.isVoiceConnected?.() ?? false,
+        localStreamTracks: voiceConnection?.getLocalStream?.()?.getTracks().length ?? 0,
+        rawMicTracks: voiceConnection?.getRawMicStream?.()?.getTracks().length ?? 0
+      },
+      voiceChannel,
+      voiceUsers
+    };
+  }, channelName);
+}
+
+async function waitForConnectedSignalManagerCount(page: Page, expectedCount: number): Promise<void> {
+  await page.waitForFunction(
+    (count) => {
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const realtime = component['realtime'] as {
+        signalingTransportHandler?: {
+          getConnectedSignalingManagers?: () => Array<{ signalUrl: string }>;
+        };
+      } | undefined;
+      const countValue = realtime?.signalingTransportHandler?.getConnectedSignalingManagers?.().length ?? 0;
+
+      return countValue === count;
+    },
+    expectedCount,
+    { timeout: 30_000 }
+  );
+}
+
+async function getConnectedSignalManagerCount(page: Page): Promise<number> {
+  return await page.evaluate(() => {
+    interface AngularDebugApi {
+      getComponent: (element: Element) => Record<string, unknown>;
+    }
+
+    const host = document.querySelector('app-rooms-side-panel');
+    const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+    if (!host || !debugApi?.getComponent) {
+      return 0;
+    }
+
+    const component = debugApi.getComponent(host);
+    const realtime = component['realtime'] as {
+      signalingTransportHandler?: {
+        getConnectedSignalingManagers?: () => Array<{ signalUrl: string }>;
+      };
+    } | undefined;
+
+    return realtime?.signalingTransportHandler?.getConnectedSignalingManagers?.().length ?? 0;
+  });
+}
+
+async function waitForVoiceWorkspaceUserCount(page: Page, expectedCount: number): Promise<void> {
+  await page.waitForFunction(
+    (count) => {
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-voice-workspace');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const connectedUsers = (component['connectedVoiceUsers'] as (() => Array<unknown>) | undefined)?.() ?? [];
+
+      return connectedUsers.length === count;
+    },
+    expectedCount,
+    { timeout: 45_000 }
+  );
+}
+
+async function waitForVoiceRosterCount(page: Page, channelName: string, expectedCount: number): Promise<void> {
+  await page.waitForFunction(
+    ({ expected, name }) => {
+      interface ChannelShape {
+        id: string;
+        name: string;
+        type: 'text' | 'voice';
+      }
+
+      interface RoomShape {
+        channels?: ChannelShape[];
+      }
+
+      interface AngularDebugApi {
+        getComponent: (element: Element) => Record<string, unknown>;
+      }
+
+      const host = document.querySelector('app-rooms-side-panel');
+      const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+      if (!host || !debugApi?.getComponent) {
+        return false;
+      }
+
+      const component = debugApi.getComponent(host);
+      const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+      const channelId = currentRoom?.channels?.find((channel) => channel.type === 'voice' && channel.name === name)?.id;
+
+      if (!channelId) {
+        return false;
+      }
+
+      const roster = (component['voiceUsersInRoom'] as ((roomId: string) => Array<unknown>) | undefined)?.(channelId) ?? [];
+
+      return roster.length === expected;
+    },
+    { expected: expectedCount, name: channelName },
+    { timeout: 30_000 }
+  );
+}
+
+async function waitForVoiceStateAcrossPages(
+  clients: ReadonlyArray<TestClient>,
+  displayName: string,
+  expectedState: { isMuted: boolean; isDeafened: boolean }
+): Promise<void> {
+  for (const client of clients) {
+    await client.page.waitForFunction(
+      ({ expectedDisplayName, expectedMuted, expectedDeafened }) => {
+        interface VoiceStateShape {
+          isMuted?: boolean;
+          isDeafened?: boolean;
+        }
+
+        interface ChannelShape {
+          id: string;
+          name: string;
+          type: 'text' | 'voice';
+        }
+
+        interface UserShape {
+          displayName: string;
+          voiceState?: VoiceStateShape;
+        }
+
+        interface RoomShape {
+          channels?: ChannelShape[];
+        }
+
+        interface AngularDebugApi {
+          getComponent: (element: Element) => Record<string, unknown>;
+        }
+
+        const host = document.querySelector('app-rooms-side-panel');
+        const debugApi = (window as { ng?: AngularDebugApi }).ng;
+
+        if (!host || !debugApi?.getComponent) {
+          return false;
+        }
+
+        const component = debugApi.getComponent(host);
+        const currentRoom = (component['currentRoom'] as (() => RoomShape | null) | undefined)?.() ?? null;
+        const voiceChannel = currentRoom?.channels?.find((channel) => channel.type === 'voice');
+
+        if (!voiceChannel) {
+          return false;
+        }
+
+        const roster = (component['voiceUsersInRoom'] as ((roomId: string) => UserShape[]) | undefined)?.(voiceChannel.id) ?? [];
+        const entry = roster.find((user) => user.displayName === expectedDisplayName);
+
+        return entry?.voiceState?.isMuted === expectedMuted
+          && entry?.voiceState?.isDeafened === expectedDeafened;
+      },
+      {
+        expectedDisplayName: displayName,
+        expectedMuted: expectedState.isMuted,
+        expectedDeafened: expectedState.isDeafened
+      },
+      { timeout: 30_000 }
+    );
+  }
+}
diff --git a/electron/migrations/1000000000007-AddUserProfileMetadata.ts b/electron/migrations/1000000000007-AddUserProfileMetadata.ts
index 45a8b3a..0f4d7ba 100644
--- a/electron/migrations/1000000000007-AddUserProfileMetadata.ts
+++ b/electron/migrations/1000000000007-AddUserProfileMetadata.ts
@@ -13,4 +13,4 @@ export class AddUserProfileMetadata1000000000007 implements MigrationInterface {
   public async down(): Promise<void> {
     // SQLite column removal requires table rebuilds. Keep rollback no-op.
   }
-}
\ No newline at end of file
+}
diff --git a/toju-app/src/app/domains/voice-connection/application/facades/voice-connection.facade.ts b/toju-app/src/app/domains/voice-connection/application/facades/voice-connection.facade.ts
index e1e9703..3815c29 100644
--- a/toju-app/src/app/domains/voice-connection/application/facades/voice-connection.facade.ts
+++ b/toju-app/src/app/domains/voice-connection/application/facades/voice-connection.facade.ts
@@ -53,6 +53,14 @@ export class VoiceConnectionFacade {
     return this.realtime.getRawMicStream();
   }
 
+  reportConnectionError(message: string): void {
+    this.realtime.reportConnectionError(message);
+  }
+
+  clearConnectionError(): void {
+    this.realtime.clearConnectionError();
+  }
+
   async enableVoice(): Promise<MediaStream> {
     return await this.realtime.enableVoice();
   }
diff --git a/toju-app/src/app/domains/voice-session/feature/voice-controls/voice-controls.component.ts b/toju-app/src/app/domains/voice-session/feature/voice-controls/voice-controls.component.ts
index d1d8cc1..c1ac380 100644
--- a/toju-app/src/app/domains/voice-session/feature/voice-controls/voice-controls.component.ts
+++ b/toju-app/src/app/domains/voice-session/feature/voice-controls/voice-controls.component.ts
@@ -235,8 +235,15 @@ export class VoiceControlsComponent implements OnInit, OnDestroy {
       this.voicePlayback.playPendingStreams(this.playbackOptions());
 
       // Persist settings after successful connection
+      this.webrtcService.clearConnectionError();
       this.saveSettings();
-    } catch (_error) {}
+    } catch (error) {
+      const message = error instanceof Error
+        ? error.message
+        : 'Failed to connect voice session.';
+
+      this.webrtcService.reportConnectionError(message);
+    }
   }
 
   // Retry connection when there's a connection error
diff --git a/toju-app/src/app/features/room/rooms-side-panel/rooms-side-panel.component.html b/toju-app/src/app/features/room/rooms-side-panel/rooms-side-panel.component.html
index d985ecd..f0e28a7 100644
--- a/toju-app/src/app/features/room/rooms-side-panel/rooms-side-panel.component.html
+++ b/toju-app/src/app/features/room/rooms-side-panel/rooms-side-panel.component.html
@@ -61,6 +61,8 @@
               [class.hover:text-foreground/80]="activeChannelId() !== ch.id"
               (click)="selectTextChannel(ch.id)"
               (contextmenu)="openChannelContextMenu($event, ch)"
+              data-channel-type="text"
+              [attr.data-channel-name]="ch.name"
             >
               <span class="text-muted-foreground text-base">#</span>
               @if (renamingChannelId() === ch.id) {
@@ -129,6 +131,8 @@
                 [class.bg-secondary]="isCurrentRoom(ch.id)"
                 [disabled]="!voiceEnabled()"
                 [title]="isCurrentRoom(ch.id) ? 'Open stream workspace' : 'Join voice channel'"
+                data-channel-type="voice"
+                [attr.data-channel-name]="ch.name"
               >
                 <span class="flex items-center gap-2 text-foreground/80">
                   <ng-icon
diff --git a/toju-app/src/app/features/room/rooms-side-panel/rooms-side-panel.component.ts b/toju-app/src/app/features/room/rooms-side-panel/rooms-side-panel.component.ts
index 720008d..84ea41f 100644
--- a/toju-app/src/app/features/room/rooms-side-panel/rooms-side-panel.component.ts
+++ b/toju-app/src/app/features/room/rooms-side-panel/rooms-side-panel.component.ts
@@ -559,23 +559,32 @@ export class RoomsSidePanelComponent {
     const current = this.currentUser();
 
     if (this.openExistingVoiceWorkspace(room, current ?? null, roomId)) {
+      this.voiceConnection.clearConnectionError();
       return;
     }
 
-    if (!room || !this.canJoinRequestedVoiceRoom(room, current ?? null, roomId)) {
+    if (!room) {
+      this.voiceConnection.reportConnectionError('No active room selected for voice join.');
+      return;
+    }
+
+    if (!this.canJoinRequestedVoiceRoom(room, current ?? null, roomId)) {
+      this.voiceConnection.reportConnectionError('You do not have permission to join this voice channel.');
       return;
     }
 
     if (!this.prepareCrossServerVoiceJoin(room, current ?? null)) {
+      this.voiceConnection.reportConnectionError('Disconnect from the current voice server before joining a different server.');
       return;
     }
 
     this.enableVoiceForJoin(room, current ?? null, roomId)
       .then(() => this.onVoiceJoinSucceeded(roomId, room, current ?? null))
-      .catch(() => undefined);
+      .catch((error) => this.handleVoiceJoinFailure(error));
   }
 
   private onVoiceJoinSucceeded(roomId: string, room: Room, current: User | null): void {
+    this.voiceConnection.clearConnectionError();
     this.updateVoiceStateStore(roomId, room, current);
     this.trackCurrentUserMic();
     this.startVoiceHeartbeat(roomId, room);
@@ -583,6 +592,14 @@ export class RoomsSidePanelComponent {
     this.startVoiceSession(roomId, room);
   }
 
+  private handleVoiceJoinFailure(error: unknown): void {
+    const message = error instanceof Error
+      ? error.message
+      : 'Failed to join voice channel.';
+
+    this.voiceConnection.reportConnectionError(message);
+  }
+
   private trackCurrentUserMic(): void {
     const userId = this.currentUser()?.oderId || this.currentUser()?.id;
     const micStream = this.voiceConnection.getRawMicStream();
diff --git a/toju-app/src/app/infrastructure/realtime/realtime-session.service.ts b/toju-app/src/app/infrastructure/realtime/realtime-session.service.ts
index b6931cd..ed6bbcf 100644
--- a/toju-app/src/app/infrastructure/realtime/realtime-session.service.ts
+++ b/toju-app/src/app/infrastructure/realtime/realtime-session.service.ts
@@ -492,6 +492,14 @@ export class WebRTCService implements OnDestroy {
     return this.peerMediaFacade.getRawMicStream();
   }
 
+  reportConnectionError(message: string): void {
+    this.state.setConnectionError(message);
+  }
+
+  clearConnectionError(): void {
+    this.state.clearConnectionError();
+  }
+
   /**
    * Request microphone access and start sending audio to all peers.
    *
diff --git a/toju-app/src/app/infrastructure/realtime/state/webrtc-state-controller.ts b/toju-app/src/app/infrastructure/realtime/state/webrtc-state-controller.ts
index 0a17aa9..9c722cb 100644
--- a/toju-app/src/app/infrastructure/realtime/state/webrtc-state-controller.ts
+++ b/toju-app/src/app/infrastructure/realtime/state/webrtc-state-controller.ts
@@ -120,6 +120,16 @@ export class WebRtcStateController {
     this._isNoiseReductionEnabled.set(enabled);
   }
 
+  setConnectionError(message: string | null): void {
+    this._hasConnectionError.set(!!message);
+    this._connectionErrorMessage.set(message);
+  }
+
+  clearConnectionError(): void {
+    this._hasConnectionError.set(false);
+    this._connectionErrorMessage.set(null);
+  }
+
   setConnectedPeers(peers: string[]): void {
     this._connectedPeers.set(peers);
   }
diff --git a/toju-app/src/app/shared/components/profile-card/profile-card.component.html b/toju-app/src/app/shared/components/profile-card/profile-card.component.html
index 69ab2fe..2027e4b 100644
--- a/toju-app/src/app/shared/components/profile-card/profile-card.component.html
+++ b/toju-app/src/app/shared/components/profile-card/profile-card.component.html
@@ -44,7 +44,6 @@
             <input
               type="text"
               class="w-full rounded-md border border-border bg-background/70 px-2 py-1.5 text-base font-semibold text-foreground outline-none focus:border-primary/70"
-             
               [value]="displayNameDraft()"
               (input)="onDisplayNameInput($event)"
               (blur)="finishEdit('displayName')"
@@ -67,7 +66,6 @@
             <textarea
               rows="3"
               class="w-full resize-none rounded-md border border-border bg-background/70 px-2 py-2 text-sm leading-5 text-foreground outline-none focus:border-primary/70"
-             
               [value]="descriptionDraft()"
               placeholder="Add a description"
               (input)="onDescriptionInput($event)"