ian rowan Posted December 5, 2011 Report Share Posted December 5, 2011 I am trying to use the IP Auth service provided by gamma, I can call in without issue but when I dial out I get call rejected I spoke with the ITSP and they said the from header had the private IP and not the public address i changed the SIP IP Replacement list to "192.168.0.10\public IP" and that allows me to call out but I still get no audio any one else used this service from Gamma? Quote Link to comment Share on other sites More sharing options...
Vodia PBX Posted December 6, 2011 Report Share Posted December 6, 2011 Well, this a famous problem called "NAT". Most service providers today use a "SBC" (Session Border Controller) to solve it, so that customers dont have to deal with it and all th tricky technical topics and instabilities around it. There is a reason why ACME packet is one of the hottest companies in the VoIP world! Quote Link to comment Share on other sites More sharing options...
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