Master VOS3000 SIP display from with SS_SIP_E164_DISPLAY_FROM. Configure E164 caller format in From header, per-gateway display modes, caller presentation, and…
Master VOS3000 SIP routing gateway contact with SS_SIP_ROUTING_GATEWAY_INVITE_USE_CONTACT. Configure Contact header routing, request-line callee handling, and To field preservation for…
Master VOS3000 SIP privacy header with SS_SIP_USER_AGENT_PRIVACY. Configure Ignore/Id/None modes, per-gateway Privacy, P-Asserted-Identity, and caller ID protection.
Master VOS3000 SIP outbound registration parameters: SS_SIP_USER_AGENT_EXPIRE (Auto Negotiation, 20-7200s) and SS_SIP_USER_AGENT_RETRY_DELAY (30-600s). Configure registration expiry, retry delay, and failover…
Master VOS3000 SIP resend interval with SS_SIP_RESEND_INTERVAL. Configure exponential backoff retransmission, retry timing, and gateway failover for reliable VoIP.
Master VOS3000 SIP NAT keep alive configuration with HELLO message, period, interval, and quantity settings to prevent NAT timeout and…
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…
Master VOS3000 SIP session timer with RFC 4028. Configure SS_SIP_SESSION_TTL, reinvite intervals, and early hangup to prevent ultra-long bills and…
Master VOS3000 SIP authentication retry and timeout settings. Configure SS_SIP_AUTHENTICATION_RETRY and SS_SIP_AUTHENTICATION_TIMEOUT to prevent 401/407 failures and secure your VoIP…
VOS3000 billing free time subtracts seconds from CDR duration before rate calculation. Learn powerful SERVER_BILLING_FREE_TIME configuration for promotions.