I have a problem with no audio, the calling party can’t hear anything from the destination.
My asterisk is behind nat, I analyzed the sip invite and noticed that “media connecion” is with NAT IP.
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o): root 3950 3950 IN IP4 192.168.1.251
Session Name (s): session
Connection Information ©: IN IP4 192.168.1.251
Time Description, active time (t): 0 0
Media Description, name and address (m): audio 6660 RTP/AVP 0 8 18 101
Media Attribute (a): rtpmap:0 PCMU/8000
Media Attribute (a): rtpmap:8 PCMA/8000
Media Attribute (a): rtpmap:18 G729/8000
Can you please help me?