when one call coming in ,all thing is normal ,i.e,ring,accept and connect.I want reply a BUSY code to caller when another inbound call at the same time ,the code is follow like,but happen Assertion failed error once i set status code PJSIP_SC_BUSY_HERE,but no error with PJSIP_SC_RINGING.please tell why and How to accomplish my function,thax ahead MyAccount::onIncomingCall(OnIncomingCallParam &iprm) { if(currentCall!=nullptr) { MyCall* call = new MyCall(this, *account, iprm.callId); CallOpParam prm; prm.statusCode =PJSIP_SC_BUSY_HERE; call->answer(prm); } } and delete the call when handling the DISCONNECTED callback 发自我的华为手机 _______________________________________________ Visit our blog: http://blog.pjsip.org pjsip mailing list pjsip@xxxxxxxxxxxxxxx http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org