Configure VOS3000 unauthorized SIP response with SS_REPLY_UNAUTHORIZED. Control whether VOS3000 responds to unknown SIP sources silently or with 403/401. Read More
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… Read More
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… Read More
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 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 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
Master VOS3000 SIP NAT keep alive configuration with HELLO message, period, interval, and quantity settings to prevent NAT timeout and… Read More
VOS3000 RTP encryption setup guide covering XOR, RC4, and AES128 methods. Learn how to configure secure media streams using system… Read More
VOS3000 iptables SIP scanner blocking guide. Block SIP OPTIONS floods, limit UDP connections, and secure your VoIP server without Fail2Ban… Read More
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