When i call 999 the call connects, but i can't hear any audio. Also i'm having a problem with external ext. Call will conect to external ext, but i only have 1 way audio ( I can hear external ext, but they can't hear me). I have opened all ports that i know of or that i can find on this forum. I have checked the option for "ext is external" and "bind to media server" Here are the ports i've opened: List of default ports used by the 3cx phonesystem: 5060 (stanard sip port) TCP/UDP 5061 (secondary sip port) TCP/UDP 5480 (portgre) (only on local machine) 5481 (apache) (only on local machine) 5482 (media server) (only on local machine) 3478 (STUN Server) TCP/UDP 7000-7500 (Default port for internall calls) (only on local machine) 9000 - 9003 (ports for external calls through VOIP Gateway) UDP 10000-20000 (RTP ports) (Used if no stun available for audio) Thanks for any help!!!!!!!!!!