diff --git a/tools/chatgui-android/call-service-tests/src/main/kotlin/com/utun/chat/data/CallServiceHost.kt b/tools/chatgui-android/call-service-tests/src/main/kotlin/com/utun/chat/data/CallServiceHost.kt
index c2eac9ff8..215889356 100644
--- a/tools/chatgui-android/call-service-tests/src/main/kotlin/com/utun/chat/data/CallServiceHost.kt
+++ b/tools/chatgui-android/call-service-tests/src/main/kotlin/com/utun/chat/data/CallServiceHost.kt
@@ -63,6 +63,9 @@ class CallVideoEngine(context: Context, val id: Long) {
 }
 
 object TelecomCallManager {
+    var pending = false
+    fun cleanupPending() = pending
+    fun requireReleased() { check(!pending) { "Telecom connection cleanup pending" } }
     interface Listener {
         fun onConnectionAvailable(callId: Long, connection: UtunConnection)
         fun onAnswer(callId: Long)
diff --git a/tools/chatgui-android/call-service-tests/src/test/kotlin/com/utun/chat/data/CallServiceLifecycleTest.kt b/tools/chatgui-android/call-service-tests/src/test/kotlin/com/utun/chat/data/CallServiceLifecycleTest.kt
index 90447e6f8..a77b8d9a6 100644
--- a/tools/chatgui-android/call-service-tests/src/test/kotlin/com/utun/chat/data/CallServiceLifecycleTest.kt
+++ b/tools/chatgui-android/call-service-tests/src/test/kotlin/com/utun/chat/data/CallServiceLifecycleTest.kt
@@ -44,6 +44,7 @@ class CallServiceLifecycleTest {
         AppLanguage.failText = false; AppLanguage.language = "en"; NotificationCompat.failBuild = false
         Handler.rejectImmediate = false; Handler.rejectDelayed = false; PendingIntent.reset()
         MediaAudioController.beforeIdle = {}
+        TelecomCallManager.pending = false
         CallVideoEngine.failCreate = false; CallVideoEngine.created.clear()
         CallController.reset(); RadioAudioEngine.instance().activeGroup.value = null; RadioAudioEngine.instance().restored.clear()
         NativeLib.callCommands.clear(); LogManager.entries.clear(); LogManager.console = true
@@ -52,6 +53,7 @@ class CallServiceLifecycleTest {
 
     @After fun release() {
         gates.forEach { it.countDown() }; MediaAudioController.beforeIdle = {}
+        TelecomCallManager.pending = false
         NativeLib.failActivityRequest = false
         Handler.rejectImmediate = false; Handler.rejectDelayed = false
         AppLanguage.failText = false; NotificationCompat.failBuild = false; CallVideoEngine.failCreate = false
@@ -73,6 +75,14 @@ class CallServiceLifecycleTest {
     private fun diagnostic(fragment: String) = synchronized(LogManager.entries) {
         assertTrue("Missing diagnostic: $fragment", LogManager.entries.any { fragment in it.message && it.level in listOf("WARN", "ERROR") })
     }
+
+    @Test fun pendingTelecomCleanupBlocksNewServiceAndOtherMediaUntilAcknowledged() {
+        TelecomCallManager.pending = true
+        assertTrue(CallController.blocksMedia())
+        assertThrows(IllegalStateException::class.java) { CallService.start(context, 17) }
+        assertTrue(context.serviceStarts.isEmpty())
+        TelecomCallManager.pending = false; CallService.requireReleased(); assertFalse(CallController.blocksMedia())
+    }
     private fun field(service: CallService, name: String) = CallService::class.java.getDeclaredField(name)
         .apply { isAccessible = true }.get(service)
     private fun create(): CallService = CallService().also {
diff --git a/tools/chatgui-android/video-tests/src/test/kotlin/com/utun/chat/data/TelecomLifecycleTest.kt b/tools/chatgui-android/video-tests/src/test/kotlin/com/utun/chat/data/TelecomLifecycleTest.kt
index 8f87052e1..1558b3f4d 100644
--- a/tools/chatgui-android/video-tests/src/test/kotlin/com/utun/chat/data/TelecomLifecycleTest.kt
+++ b/tools/chatgui-android/video-tests/src/test/kotlin/com/utun/chat/data/TelecomLifecycleTest.kt
@@ -100,7 +100,10 @@ class TelecomLifecycleTest {
     @Test fun rejectedRetryTimerRetainsTheOwnerForExplicitRemovalRetry() {
         val conn = registered(); conn.failures = setOf("destroy"); Handler.rejectDelayed = true
         TelecomCallManager.setDisconnected(17, 2); TelecomCallManager.removeConnection(17); assertFalse(conn.destroyed)
+        assertTrue(TelecomCallManager.cleanupPending())
+        assertThrows(IllegalStateException::class.java) { TelecomCallManager.requireReleased() }
         conn.failures = emptySet(); Handler.rejectDelayed = false; TelecomCallManager.removeConnection(17); assertTrue(conn.destroyed)
+        TelecomCallManager.requireReleased(); assertFalse(TelecomCallManager.cleanupPending())
     }
     @Test fun destroyFailureAfterEffectStillNeedsAnAcknowledgedRetry() {
         val conn = registered(); conn.failures = setOf("destroy after")