diff --git a/tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallController.kt b/tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallController.kt
index 272eaf5f..0c0a8177 100644
--- a/tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallController.kt
+++ b/tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallController.kt
@@ -273,6 +273,8 @@ object CallController : TelecomCallManager.Listener {
     }
 
     private fun routeChanged(route: AudioRoute, headset: Boolean) {
+        if (_route.value != route || _headset.value != headset) LogManager.addLog("INFO", "Call",
+            "audio controls id=${_state.value?.callId} route=$route headset=$headset")
         _route.value = route
         _headset.value = headset
         if (route != AudioRoute.EARPIECE) videoSpeakerPending = false
diff --git a/tools/chatgui-android/audio-probe/src/main/cpp/probe.cpp b/tools/chatgui-android/audio-probe/src/main/cpp/probe.cpp
index 083fb6c2..ea6dc8d6 100644
--- a/tools/chatgui-android/audio-probe/src/main/cpp/probe.cpp
+++ b/tools/chatgui-android/audio-probe/src/main/cpp/probe.cpp
@@ -102,12 +102,9 @@ extern "C" JNIEXPORT jboolean JNICALL Java_com_utun_audioprobe_ProbeActivity_ope
 }
 
 extern "C" JNIEXPORT jint JNICALL Java_com_utun_audioprobe_ProbeActivity_writeNative(JNIEnv* env, jclass, jshortArray input) {
-    int64_t queued = AAudioStream_getFramesWritten(probe.stream) - AAudioStream_getFramesRead(probe.stream);
-    int available = int(std::max<int64_t>(0, AAudioStream_getBufferSizeInFrames(probe.stream) - queued));
-    if (!available) return AAudioStream_getState(probe.stream) == AAUDIO_STREAM_STATE_DISCONNECTED ? AAUDIO_ERROR_DISCONNECTED : 0;
     int16_t samples[960]{};
     env->GetShortArrayRegion(input, 0, 960, samples);
-    return AAudioStream_write(probe.stream, samples, std::min(available, 960 / probe.channels), 0);
+    return AAudioStream_write(probe.stream, samples, std::min(960 / probe.channels, AAudioStream_getFramesPerBurst(probe.stream)), 100000000);
 }
 
 /* Timestamp опрашивается вне realtime callback. Java одинаково агрегирует AAudio и AudioTrack. */