Vladlin Posted October 4, 2012 Report Share Posted October 4, 2012 Hello, we have 2 remote extensions that are registering and ringing, but after it picked up we have no sound on both sides. your assistance appreciated. Regards, Vladimir Quote Link to comment Share on other sites More sharing options...
Vodia PBX Posted October 4, 2012 Report Share Posted October 4, 2012 Probably you are experiencing the "NAT" problem. SIP does not work like HTTP and you might have to go through a complicated setup if your server is not running on a public (routable) IP address. See http://wiki.snomone.com/index.php?title=Server_Behind_NAT for more information. Quote Link to comment Share on other sites More sharing options...
Vladlin Posted October 9, 2012 Author Report Share Posted October 9, 2012 Hi, Your recommendation did not work I am still having issue with remote phones. Quote Link to comment Share on other sites More sharing options...
Vodia PBX Posted October 9, 2012 Report Share Posted October 9, 2012 Hi Vladin, sorry to be a little bit superficial here. NAT is a huge problem in two-way communications, just mentioning that is does not work will not help finding the problem. Do you have a routable IP address (AKA "public IP")? How are the remote phones supposed to find the RTP media address of the PBX. I assume that the signalling is working; this can e.g. be done by a port forwarding. But you must make sure that also the RTP ports are properly routable. Quote Link to comment Share on other sites More sharing options...
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