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ISSUE - Internal Calls behind NAT with STUN


tomlinm

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Hi Everyone.

 

I set to work this week to resolve an issue with my AXON configuration and managed to move the problem

 

AXON is located on an internet IP 217.XXX.XXX.XXX

 

I have 3 clients behind a single NAT at IP 81.XXX.XXX.XXX

 

and

 

1 cleint behind another NAT at IP 91.XXX.XXX.XXX

 

The previously problem was that clients could not connect calls to clients behind the other NAT, but could make calls to each other. So i went onto implement STUN / ICE, which now means comms between both NATs work seamlessly, however, clients behind the same NAT at IP 81.XXX.XXX.XXX cant speak with each other. The call rings, connects, but no RTP audio is transmitted. (Wireshark trace)

 

Any suggestions people, or is this simply a limitation of using the PBX in this way?

 

Mark

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