Detlef Posted October 5, 2007 Report Share Posted October 5, 2007 I am impressed how easy it is to interconnect two PBXnSIP servers via two SIP Gateway trunks and a simple dialplan entry which forwards extensions 1xx to the first system and 2xx to the 2nd system. Everything seems to work inbetween those two systems. Only problem I have is when you dial in with your cell phone over a PSTN gateway (Grandstream GXW410x) and select the outbound call option to dial an extension in the 2nd system it only rings but no audio is transfered either way. Those systems are connected via a simple VPN, no port blocking or anything - both systems can reach each other completely freely. So I am stuck on how I would troubleshoot this problem and what do I need to look for? Quote Link to comment Share on other sites More sharing options...
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