Master VOS3000 SIP send unregister with SS_SIP_USER_AGENT_SEND_UNREGISTER. Configure cancel register messages on restart, registration cleanup, and graceful shutdown for your VoIP softswitch.
VOS3000 SIP No Timer Call Duration: Important Maximum Limit Easy Guide
Master VOS3000 SIP no timer call duration limit. Configure SS_SIP_NO_TIMER_REINVITE_INTERVAL to prevent runaway calls, protect billing accuracy, and stop zombie sessions.