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NAT traversal without registration

edited Mar 4, 2013 4:01PM in Acme Packet (MOSC) 3 commentsAnswered

Hi,

 

We have a soft PBX behind a NAT which we try to reach via our SD3820 without having the PBX sending REGISTER messages. I have TCP connectivity for SIP working, I have incoming and outgoing call setup working, two way audio is working and call teardown is working from the soft PBX towards our SIP platform.

 

The problem is when the core side is trying to tear down the call or do a reINVITE or something. The outgoing message is being sent on the network side to the private IP address, not the public IP for the session-agent. How do I make the SD use the public IP address instead of the private IP?

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