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
new file mode 100644
index 00000000..25a77534
--- /dev/null
+++ b/tools/chatgui-android/call-service-tests/src/main/kotlin/com/utun/chat/data/CallServiceHost.kt
@@ -0,0 +1,108 @@
+package com.utun.chat.data
+
+import android.content.Context
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.Future
+import kotlinx.coroutines.flow.MutableStateFlow
+
+/** Только DSP/camera/Telecom и чужие media. CallService/CallController/CoreActivity компилируются из приложения. */
+object AppLanguage {
+    var language = "en"
+    var failText = false
+    fun context() = com.utun.chat.ChatApplication.instance
+    fun text(id: Int): String { check(!failText) { "language unavailable" }; return "$language:$id" }
+}
+
+class CallAudioEngine {
+    val router = CallAudioRouter()
+    var onFailure: ((Long, String) -> Unit)? = null
+    var failures = emptySet<String>()
+    var active = false
+    var starts = 0; var stops = 0
+    private var muted = false
+    val diagnostics: String get() { check("diagnostics" !in failures); return "host active=$active" }
+    fun start(id: Long): Boolean {
+        starts++
+        if ("reject" in failures) return false
+        active = true
+        check("start" !in failures) { "audio start failed after effect" }
+        return true
+    }
+    fun stop() {
+        stops++
+        check("stop" !in failures) { "audio stop unavailable" }
+        active = false
+        check("stop after" !in failures) { "audio stop failed after effect" }
+    }
+    fun isActive() = active
+    fun setMuted(value: Boolean) { muted = value }
+    fun isMuted() = muted
+    fun bindTelecom(connection: UtunConnection) {}
+    fun syncAecForRoute(route: AudioRoute) {}
+    fun outputLatency(id: Long) = CallOutputLatency()
+}
+
+data class CallVideoSettings(val enabled: Boolean = false)
+data class CallVideoState(val settings: CallVideoSettings = CallVideoSettings())
+class CallVideoEngine(context: Context, val id: Long) {
+    companion object { var failCreate = false; val created = mutableListOf<CallVideoEngine>() }
+    init { check(!failCreate) { "video constructor unavailable" }; created.add(this) }
+    var failures = emptySet<String>()
+    var stopped = false; var stops = 0
+    val state = MutableStateFlow(CallVideoState())
+    val display = MutableStateFlow<Any?>(null)
+    fun select(settings: CallVideoSettings) { state.value = CallVideoState(settings) }
+    fun stop() {
+        stops++
+        check("stop" !in failures) { "video stop unavailable" }
+        stopped = true
+        check("stop after" !in failures) { "video stop failed after effect" }
+    }
+}
+
+object TelecomCallManager {
+    interface Listener {
+        fun onConnectionAvailable(callId: Long, connection: UtunConnection)
+        fun onAnswer(callId: Long)
+        fun onReject(callId: Long)
+        fun onDisconnect(callId: Long)
+        fun onIncomingUiAllowed(callId: Long)
+        fun onConnectionFailed(callId: Long)
+    }
+    fun setListener(listener: Listener) {}
+    fun isReady() = false
+    fun placeCall(id: Long, peer: Long, name: String) {}
+    fun addIncomingCall(id: Long, peer: Long, name: String) = true
+    fun setActive(id: Long) {}
+    fun setDisconnected(id: Long, reason: Int) {}
+    fun removeConnection(id: Long) {}
+}
+
+class ProximityManager(context: Context) {
+    val near = MutableStateFlow<Boolean?>(null)
+    fun start() {}
+    fun stop() { near.value = null }
+}
+object RadioCallController { fun busy() = false }
+object IncomingCallManager {
+    const val EXTRA_CALL_ID = "call_id"
+    const val CHANNEL_CALL = "incoming_call"
+    fun show(id: Long, channel: String, peer: Long) {}
+    fun stopRinging() {}
+}
+object CallRingback { fun stop() {}; fun startConnecting() {}; fun startRinging() {} }
+object MicrophonePermission {
+    fun granted() = true
+    fun request(reason: String, callback: () -> Unit = {}) { callback() }
+}
+class RadioAudioEngine {
+    companion object { private val shared = RadioAudioEngine(); fun instance() = shared }
+    val activeGroup = MutableStateFlow<Long?>(null)
+    val restored = mutableListOf<Long>()
+    fun stopForCall(): Future<*> { activeGroup.value = null; return CompletableFuture.completedFuture(Unit) }
+    fun restoreAfterCall(group: Long) { restored.add(group); activeGroup.value = group }
+}
+data class HostMediaState(val ongoing: Boolean)
+object StreamController { val state = MutableStateFlow<HostMediaState?>(null); fun stopForCall() { state.value = null } }
+object StreamPlayerEngine { val viewing = MutableStateFlow(false); fun stopForCall() { viewing.value = false } }
+object MediaAudioController { fun awaitIdle() {} }
diff --git a/tools/chatgui-android/router-tests/src/main/kotlin/android/widget/Toast.kt b/tools/chatgui-android/router-tests/src/main/kotlin/android/widget/Toast.kt
index 4a23f6ae..d96cee65 100644
--- a/tools/chatgui-android/router-tests/src/main/kotlin/android/widget/Toast.kt
+++ b/tools/chatgui-android/router-tests/src/main/kotlin/android/widget/Toast.kt
@@ -8,6 +8,7 @@ class Toast private constructor(val text: String) {
         const val LENGTH_LONG = 1
         val shown = mutableListOf<String>()
         fun makeText(context: Context, text: String, duration: Int) = Toast(text)
+        fun makeText(context: Context, resource: Int, duration: Int) = Toast("resource:$resource")
     }
     fun show() { shown.add(text) }
 }