diff --git a/app/api/session/stop/route.ts b/app/api/session/stop/route.ts
index d7bbb43a2..184860d7f 100644
--- a/app/api/session/stop/route.ts
+++ b/app/api/session/stop/route.ts
@@ -22,11 +22,13 @@ const AGENT_WORKER_READINESS_TIMEOUT_MS = readPositiveIntEnv(
   10_000
 );
 const AGENT_WORKER_LOG_TAIL_BYTES = readPositiveIntEnv('AGENT_WORKER_LOG_TAIL_BYTES', 256 * 1024);
+const ROOM_INPUT_STOP_TIMEOUT_MS = readPositiveIntEnv('ROOM_INPUT_STOP_TIMEOUT_MS', 3_000);
 
 type StopResult = {
   target: string;
   ok: boolean;
   skipped?: boolean;
+  fatal?: boolean;
   status?: number;
   error?: string;
   dispatch_ids?: string[];
@@ -134,6 +136,77 @@ function shouldWaitForLocalAgentWorkerReadiness(): boolean {
   return inputSource !== 'browser' && !(inputSource === 'mixed' && usesBrowserOnlyMixedInput());
 }
 
+function shouldStopRoomInput(): boolean {
+  return shouldWaitForLocalAgentWorkerReadiness();
+}
+
+function normalizeRoomInputControlUrl(rawUrl: string, action: 'start' | 'stop'): string {
+  const value = rawUrl.trim();
+  if (!value) {
+    return '';
+  }
+
+  try {
+    const url = new URL(value);
+    const pathname = url.pathname.replace(/\/+$/, '');
+    const otherAction = action === 'stop' ? 'start' : 'stop';
+    if (pathname.endsWith(`/${otherAction}`)) {
+      url.pathname = `${pathname.slice(0, -1 * (otherAction.length + 1))}/${action}`;
+    } else if (!pathname.endsWith(`/${action}`)) {
+      url.pathname = `${pathname}/${action}`;
+    }
+    url.search = '';
+    url.hash = '';
+    return url.toString();
+  } catch {
+    const withoutTrailingSlash = value.replace(/\/+$/, '');
+    if (withoutTrailingSlash.endsWith(`/${action}`)) {
+      return withoutTrailingSlash;
+    }
+
+    const otherAction = action === 'stop' ? 'start' : 'stop';
+    if (withoutTrailingSlash.endsWith(`/${otherAction}`)) {
+      return `${withoutTrailingSlash.slice(0, -1 * (otherAction.length + 1))}/${action}`;
+    }
+    return `${withoutTrailingSlash}/${action}`;
+  }
+}
+
+function resolveRoomInputStopUrls(): string[] {
+  if (!shouldStopRoomInput()) {
+    return [];
+  }
+
+  const inputSource = readStopInputSource();
+  const candidateUrls = [
+    readStopEnv('ROOM_AUDIO_INPUT_URL'),
+    readStopEnv('ROOM_VISION_INPUT_URL'),
+    readStopEnv('ROOM_INPUT_URL'),
+  ];
+
+  if (inputSource === 'xunfei' || inputSource === 'mixed') {
+    candidateUrls.push(
+      readStopEnv('FRONTDESK_INPUT_PARTICIPANT_URL'),
+      readStopEnv('FACE_SERVICE_URL')
+    );
+  }
+  if (inputSource === 'generic' || inputSource === 'mixed') {
+    candidateUrls.push(readStopEnv('GENERIC_CAMERA_PARTICIPANT_URL'));
+  }
+  if (inputSource === 'primebot' || inputSource === 'mixed') {
+    candidateUrls.push(readStopEnv('PRIMEBOT_INPUT_PARTICIPANT_URL'));
+  }
+
+  const urls = new Set<string>();
+  for (const candidate of candidateUrls) {
+    const stopUrl = normalizeRoomInputControlUrl(candidate, 'stop');
+    if (stopUrl) {
+      urls.add(stopUrl);
+    }
+  }
+  return [...urls];
+}
+
 function resolveLocalLiveKitServerLogPath(): string {
   const runLogDir = process.env.LEXVOICE_RUN_LOG_DIR?.trim();
   return runLogDir ? path.join(runLogDir, 'server.log') : '';
@@ -272,6 +345,53 @@ async function waitForPendingDispatches(roomName: string, sessionId: string): Pr
   return { target: 'agent_dispatch_barrier', ok: true };
 }
 
+async function postRoomInputStop(
+  stopUrl: string,
+  roomName: string,
+  sessionId: string
+): Promise<StopResult> {
+  const controller = new AbortController();
+  const timeout = setTimeout(() => controller.abort(), ROOM_INPUT_STOP_TIMEOUT_MS);
+  try {
+    const response = await fetch(stopUrl, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ room_name: roomName, session_id: sessionId }),
+      signal: controller.signal,
+    });
+
+    if (response.ok) {
+      return { target: 'room_input', ok: true, status: response.status };
+    }
+
+    return {
+      target: 'room_input',
+      ok: false,
+      fatal: false,
+      status: response.status,
+      error: `room-input stop returned HTTP ${response.status}`,
+    };
+  } catch (error) {
+    return {
+      target: 'room_input',
+      ok: false,
+      fatal: false,
+      error: error instanceof Error ? error.message : String(error),
+    };
+  } finally {
+    clearTimeout(timeout);
+  }
+}
+
+async function stopRoomInput(roomName: string, sessionId: string): Promise<StopResult[]> {
+  const stopUrls = resolveRoomInputStopUrls();
+  if (stopUrls.length === 0) {
+    return [{ target: 'room_input', ok: true, skipped: true }];
+  }
+
+  return Promise.all(stopUrls.map((stopUrl) => postRoomInputStop(stopUrl, roomName, sessionId)));
+}
+
 async function runRemoteSessionCleanup(
   roomName: string,
   sessionId: string,
@@ -279,9 +399,15 @@ async function runRemoteSessionCleanup(
   dispatchIds: string[]
 ): Promise<{ results: StopResult[]; failures: StopResult[] }> {
   const dispatchBarrierResult = await waitForPendingDispatches(roomName, sessionId);
+  const roomInputResults = await stopRoomInput(roomName, sessionId);
   const liveKitRoomResult = await deleteLiveKitRoom(roomName);
   const agentWorkerReadinessResult = await waitForLocalAgentWorkerReadiness();
-  const cleanupResults = [dispatchBarrierResult, liveKitRoomResult, agentWorkerReadinessResult];
+  const cleanupResults = [
+    dispatchBarrierResult,
+    ...roomInputResults,
+    liveKitRoomResult,
+    agentWorkerReadinessResult,
+  ];
   const results = [
     {
       target: 'session_registry',
@@ -291,12 +417,18 @@ async function runRemoteSessionCleanup(
     dispatchResult,
     ...cleanupResults,
   ];
-  const failures = results.filter((result) => !result.ok && !result.skipped);
+  const failures = results.filter(
+    (result) => !result.ok && !result.skipped && result.fatal !== false
+  );
+  const bestEffortFailures = results.filter(
+    (result) => !result.ok && !result.skipped && result.fatal === false
+  );
   console.info('agent session remote cleanup completed', {
     roomName,
     sessionId,
     results,
     failures,
+    bestEffortFailures,
   });
   markRoomSessionStopped(roomName, sessionId);
   return { results, failures };
diff --git a/tests/session-stop.test.mjs b/tests/session-stop.test.mjs
index dc987072f..91205757b 100644
--- a/tests/session-stop.test.mjs
+++ b/tests/session-stop.test.mjs
@@ -35,16 +35,25 @@ test('maps livekit websocket URLs to server API URLs', () => {
   assert.equal(resolveLiveKitHttpUrl('https://livekit.example'), 'https://livekit.example');
 });
 
-test('session stop route does not call the room-input control endpoint', async () => {
+test('session stop route can call the room-input control endpoint before deleting the room', async () => {
   const routeSource = await readFile(
     new URL('../app/api/session/stop/route.ts', import.meta.url),
     'utf8'
   );
 
-  assert.doesNotMatch(routeSource, /process\.env\.ROOM_INPUT_URL/);
-  assert.doesNotMatch(routeSource, /resolveRoomInputStopUrl/);
-  assert.doesNotMatch(routeSource, /stopRoomInput/);
-  assert.doesNotMatch(routeSource, /GENERIC_CAMERA_PARTICIPANT_URL/);
+  const cleanupSource = routeSource.match(/async function runRemoteSessionCleanup[\s\S]*?\n}/)?.[0];
+
+  assert.ok(cleanupSource, 'runRemoteSessionCleanup should be defined');
+  assert.match(routeSource, /readStopEnv\('ROOM_INPUT_URL'\)/);
+  assert.match(routeSource, /resolveRoomInputStopUrls/);
+  assert.match(routeSource, /stopRoomInput/);
+  assert.match(routeSource, /FRONTDESK_INPUT_PARTICIPANT_URL/);
+  assert.match(routeSource, /FACE_SERVICE_URL/);
+  assert.match(routeSource, /GENERIC_CAMERA_PARTICIPANT_URL/);
+  assert.match(
+    cleanupSource,
+    /const roomInputResults = await stopRoomInput\(roomName, sessionId\);[\s\S]*const liveKitRoomResult = await deleteLiveKitRoom\(roomName\);/
+  );
 });
 
 test('session stop route cancels room session before remote cleanup', async () => {
@@ -84,6 +93,7 @@ test('session stop route deletes the LiveKit room after the dispatch barrier', a
   );
 
   assert.match(routeSource, /await waitForPendingDispatches\(roomName, sessionId\)/);
+  assert.match(routeSource, /await stopRoomInput\(roomName, sessionId\)/);
   assert.match(routeSource, /deleteLiveKitRoom\(roomName\)/);
 });
 
@@ -105,7 +115,7 @@ test('session stop route waits for local agent worker readiness before finishing
   assert.match(cleanupSource, /await waitForLocalAgentWorkerReadiness\(\)/);
   assert.match(
     cleanupSource,
-    /const cleanupResults = \[dispatchBarrierResult, liveKitRoomResult, agentWorkerReadinessResult\]/
+    /const cleanupResults = \[\s*dispatchBarrierResult,\s*\.\.\.roomInputResults,\s*liveKitRoomResult,\s*agentWorkerReadinessResult,\s*\]/
   );
 });
 
@@ -147,6 +157,7 @@ test('session stop route closes the registry even when remote cleanup is partial
 
   assert.ok(cleanupSource, 'runRemoteSessionCleanup should be defined');
   assert.match(cleanupSource, /const failures = results\.filter/);
+  assert.match(cleanupSource, /result\.fatal !== false/);
   assert.match(
     cleanupSource,
     /markRoomSessionStopped\(roomName, sessionId\);\s*return \{ results, failures \};/