Sistema VOS3000 NAT keepalive: guia completa de parametros NAT keepalive, modos de direccion de respuesta SIP, configuracion de puertos, dominio local y solucion de problemas NAT para operadores VoIP.
VOS3000 SIP INVITE Timeout and Gateway Switching: Complete Call Setup Guide
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.