Cover radio phone policy, BGP color flags, retries and caller choice timeout

tools/chatgui/src/mainwindow.cpp

@@ -70,6 +70,7 @@ extern "C" {
 extern "C" {
 #include "chat/chat_core.h"
 #include "call/call.h"
+#include "call/call_proto.h"
 #include "radio/radio_call.h"
 #include "dm/dm_core.h"
 #include "../../lib/mem.h"
@@ -776,7 +777,7 @@ void MainWindow::onRadioCallRequested(const QString& channel, quint64 peer) {
 /* Один диалог на незавершённое приглашение; принятая рация живёт своим обычным циклом. */
 void MainWindow::onRadioCallEvent(const uint8_t* data, int len) {
     if (!data || len != 27 || data[24] < RADIO_CALL_OUTGOING || data[24] > RADIO_CALL_WAIT_DECISION ||
-        data[25] > RADIO_CALL_AUDIO_ERROR || data[26] > 1) {
+        data[25] > RADIO_CALL_PHONE_BUSY || data[26] > 1) {
         DEBUG_ERROR(DEBUG_CATEGORY_RADIO, "desktop invalid radio call event bytes=%d", len); return;
     }
     quint64 id, group, peer;
@@ -798,7 +799,7 @@ void MainWindow::onRadioCallEvent(const uint8_t* data, int len) {
             if (reason == RADIO_CALL_ACCEPTED) return;
         }
         if ((incoming && reason != RADIO_CALL_AUDIO_ERROR) || reason == RADIO_CALL_CANCELLED) return;
-        const char* text = reason == RADIO_CALL_DECLINED ? "Radio call declined" :
+        const char* text = reason == RADIO_CALL_PHONE_BUSY ? "Subscriber is on a phone call" : reason == RADIO_CALL_DECLINED ? "Radio call declined" :
             reason == RADIO_CALL_BUSY ? "Subscriber is busy" : reason == RADIO_CALL_NO_ANSWER ? "No answer" :
             reason == RADIO_CALL_AUDIO_ERROR ? "Could not start channel radio" : "Subscriber is unavailable";
         auto* notice = new QMessageBox(QMessageBox::Information, QCoreApplication::translate("ChatGui", "Radio call"),
@@ -953,11 +954,16 @@ void MainWindow::onCallAccepted(quint64 callId) {
 }
 
 void MainWindow::onCallEnded(quint64 callId, uint8_t reason) {
-    Q_UNUSED(reason);
+    const bool phoneBusy = reason == CALL_REASON_PHONE_BUSY && m_activeCalls.contains(callId);
     /* тон завершения (~450мс) → авто-teardown аудио-движка */
     if (CallAudioEngine::instance()->callId() == callId)
         CallAudioEngine::instance()->beginEnd(callId);
     closeCallWindow(callId);
+    if (phoneBusy) {
+        auto* notice = new QMessageBox(QMessageBox::Information, QStringLiteral("vibechat"),
+            QCoreApplication::translate("ChatGui", "Subscriber is on a phone call"), QMessageBox::Ok, this);
+        notice->setAttribute(Qt::WA_DeleteOnClose); notice->show();
+    }
 }
 
 void MainWindow::onCallError(quint64 callId, uint8_t err) {