Session Timers, UPDATE can't be send if the dialog is occupied
1481 → mSessionTimersTimer = mRoot->createTimer([this, noUserConsent, delta]()->int {
1482 → → lInfo() << "Session Timers, retry";
1483 → → // TODO explain
1484 → → mRoot->mCallbacks.call_refreshing(this);
1485 → → update("Session Refresh", noUserConsent, !noUserConsent, delta);
1486 → → return true;
1487 → }, (unsigned int)retryIn, "Session Timers UPDATE");
belle-sip-error-belle_sip_dialog_can_create_synchronous_request(): cannot create [INVITE] request from dialog [0x611000371d00] while pending [INVITE] transaction in state [CALLING]