diff --git a/tools/chatgui-android/app/src/main/java/com/utun/chat/data/RadioCallController.kt b/tools/chatgui-android/app/src/main/java/com/utun/chat/data/RadioCallController.kt
index 260d96b0..8f88c298 100644
--- a/tools/chatgui-android/app/src/main/java/com/utun/chat/data/RadioCallController.kt
+++ b/tools/chatgui-android/app/src/main/java/com/utun/chat/data/RadioCallController.kt
@@ -210,15 +210,17 @@ object RadioCallController {
 
     private fun showOutcome(reason: Int) {
         if (reason == 4 || reason == 1) return
-        val ctx = ChatApplication.instance
-        val text = AppLanguage.text(reasonText(reason))
-        if (visible) Toast.makeText(ctx, text, Toast.LENGTH_LONG).show()
-        else try {
-            ctx.getSystemService(NotificationManager::class.java).notify(1002,
+        try {
+            val ctx = ChatApplication.instance
+            val text = AppLanguage.text(reasonText(reason))
+            if (visible) { Toast.makeText(ctx, text, Toast.LENGTH_LONG).show(); return }
+            requireNotNull(ctx.getSystemService(NotificationManager::class.java)) { "notification manager unavailable" }.notify(1002,
                 NotificationCompat.Builder(ctx, IncomingCallManager.CHANNEL_CALL)
                     .setSmallIcon(android.R.drawable.ic_dialog_info).setContentTitle(AppLanguage.text(R.string.radio_call))
                     .setContentText(text).setAutoCancel(true).build())
-        } catch (e: SecurityException) { LogManager.addLog("WARN", "radio", "Call result notification denied: $e") }
+        } catch (e: Exception) {
+            LogManager.addLog("ERROR", "radio", "Call result presentation failed reason=$reason visible=$visible: $e")
+        }
     }
 
     private fun checkMain() = check(Looper.myLooper() == Looper.getMainLooper()) { "RadioCallController requires main thread" }
diff --git a/tools/chatgui-android/router-tests/src/test/kotlin/com/utun/chat/data/IncomingCallLifecycleTest.kt b/tools/chatgui-android/router-tests/src/test/kotlin/com/utun/chat/data/IncomingCallLifecycleTest.kt
index 1929cdf5..306bfcdc 100644
--- a/tools/chatgui-android/router-tests/src/test/kotlin/com/utun/chat/data/IncomingCallLifecycleTest.kt
+++ b/tools/chatgui-android/router-tests/src/test/kotlin/com/utun/chat/data/IncomingCallLifecycleTest.kt
@@ -16,18 +16,27 @@ import com.utun.chat.ChatApplication
 import com.utun.chat.MainActivity
 import com.utun.chat.R
 import java.util.concurrent.atomic.AtomicReference
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.setMain
 import org.junit.After
 import org.junit.Assert.*
 import org.junit.Before
 import org.junit.Test
 
 /** Настоящие manager/receiver/ringtone: identity OS tokens, отказы служб и жизненный цикл входящего оповещения. */
+@OptIn(ExperimentalCoroutinesApi::class)
 class IncomingCallLifecycleTest {
     private lateinit var context: Context
     private lateinit var notifications: NotificationManager
     private lateinit var power: PowerManager
     private val receiver = IncomingCallActionReceiver()
     private val current get() = requireNotNull(notifications.active[IncomingCallManager.NOTIF_ID])
+    private val dispatcher = StandardTestDispatcher()
+    private val radioEndings get() = NativeLib.radioCalls.filter { it.action == 4 }.map { it.id }
 
     @Before fun prepare() {
         assertSame(Looper.getMainLooper(), Looper.myLooper())
@@ -38,7 +47,8 @@ class IncomingCallLifecycleTest {
         Build.VERSION.SDK_INT = 36
         AppLanguage.language = "en"; AppLanguage.failContext = false; AppLanguage.failText = false
         CallController.media = false; CallController.endings.clear()
-        RadioCallController.state.value = null; RadioCallController.endings.clear()
+        Dispatchers.setMain(dispatcher)
+        RadioCallController.reset(); NativeLib.radioCalls.clear(); NativeLib.onRadioCall = { true }
         NotificationCompat.failBuild = false
         PendingIntent.reset(); RingtoneManager.reset(); MediaPlayer.reset()
         // Процесс приложения живёт один раз; JVM-suite моделирует новый Application между сценариями.
@@ -52,6 +62,7 @@ class IncomingCallLifecycleTest {
         power.failures = emptySet(); power.locks.forEach { it.failures = emptySet() }
         PendingIntent.created.forEach { it.failCancel = false; it.failCancelAfter = false }
         IncomingCallManager.stopRinging()
+        RadioCallController.reset(); dispatcher.scheduler.advanceUntilIdle(); Dispatchers.resetMain()
         Looper.getMainLooper().advanceBy(10_000)
         Build.VERSION.SDK_INT = 36
     }
@@ -64,6 +75,12 @@ class IncomingCallLifecycleTest {
     private fun isRadio(intent: Intent) = intent.getBooleanExtra(IncomingCallManager.EXTRA_RADIO_CALL, false)
     private fun deliver(intent: Intent) = receiver.onReceive(context, intent)
     private fun show(id: Long = 11L, radio: Boolean = false) = IncomingCallManager.show(id, "123", 99L, radio)
+    private fun setRadioCall(id: Long, peerName: String = "Alice", channelName: String = "Team") {
+        @Suppress("UNCHECKED_CAST")
+        val state = RadioCallController::class.java.getDeclaredField("_state").apply { isAccessible = true }
+            .get(null) as MutableStateFlow<RadioCallState?>
+        state.value = RadioCallState(id, "123", 99, peerName, channelName, true, RadioCallPhase.INCOMING)
+    }
     private fun rejectOnWorker(action: () -> Unit) {
         val error = AtomicReference<Throwable?>()
         Thread({ try { action() } catch (e: Throwable) { error.set(e) } }, "incoming-test-worker").apply { start(); join() }
@@ -145,7 +162,7 @@ class IncomingCallLifecycleTest {
     }
 
     @Test fun radioAlertPreservesPeerNamesAndDistinctAnswerAction() {
-        RadioCallController.state.value = HostRadioCallState("Alice", "Team")
+        setRadioCall(11)
         show(radio = true)
         assertEquals("Alice · Team", current.text)
         assertEquals("en:${R.string.radio_call_incoming}", current.title)
@@ -271,11 +288,12 @@ class IncomingCallLifecycleTest {
         val intent = decline().send()
         repeat(3) { deliver(intent) }
         assertEquals(listOf(11L to 2), CallController.endings)
-        assertTrue(RadioCallController.endings.isEmpty())
+        assertTrue(radioEndings.isEmpty())
+        setRadioCall(22)
         show(22, radio = true)
         val radioIntent = decline().send()
         repeat(3) { deliver(radioIntent) }
-        assertEquals(listOf(22L), RadioCallController.endings)
+        assertEquals(listOf(22L), radioEndings)
         assertEquals(1, CallController.endings.size)
     }
 
@@ -296,7 +314,7 @@ class IncomingCallLifecycleTest {
         val wrongKind = decline().send().putExtra(IncomingCallManager.EXTRA_RADIO_CALL, true)
         deliver(wrongKind)
         assertTrue(CallController.endings.isEmpty())
-        assertTrue(RadioCallController.endings.isEmpty())
+        assertTrue(radioEndings.isEmpty())
         assertEquals(22L, callId(decline().send()))
     }