Domine VOS3000 media proxy para control de RTP y solución de problemas de audio. Configure NAT traversal y elimine one-way audio según el manual oficial 2.1.9.07.
VOS3000 SIP Session Timer: Complete Keep-Alive & Session Management Important Guide
Master VOS3000 SIP session timer and NAT keep-alive. Complete guide to session management, call drop prevention, and timer configuration for VoIP reliability.