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. Read More
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… Read More
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… Read More
Master VOS3000 SIP resend interval with SS_SIP_RESEND_INTERVAL. Configure exponential backoff retransmission, retry timing, and gateway failover for reliable VoIP. Read More
Master VOS3000 SIP NAT keep alive configuration with HELLO message, period, interval, and quantity settings to prevent NAT timeout and… Read More
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… Read More
Master VOS3000 SIP session timer with RFC 4028. Configure SS_SIP_SESSION_TTL, reinvite intervals, and early hangup to prevent ultra-long bills and… Read More
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… Read More
VOS3000 billing free time subtracts seconds from CDR duration before rate calculation. Learn powerful SERVER_BILLING_FREE_TIME configuration for promotions. Read More
VOS3000 call failed announcement plays IVR voice prompts when calls fail. Configure the IVR module to announce busy, unreachable, and… Read More