Master VOS3000 SIP INVITE timeout with SS_SIP_TIMEOUT_INVITE, SS_SIP_STOP_SWITCH_AFTER_SDP, and SS_SIP_USER_AGENT_STOP_SWITCH_AFTER_INVITE_TIMEOUT. Configure call setup timers, gateway failover, and stop switch behavior for reliable VoIP.
VOS3000 SIP Resend Interval: Important Message Retransmission Guide
Master VOS3000 SIP resend interval with SS_SIP_RESEND_INTERVAL. Configure exponential backoff retransmission, retry timing, and gateway failover for reliable VoIP.
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.
VOS3000 SIP Session Timer: Powerful RFC 4028 Setup Guide
Master VOS3000 SIP session timer with RFC 4028. Configure SS_SIP_SESSION_TTL, reinvite intervals, and early hangup to prevent ultra-long bills and ghost calls.