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Expressway-E and C and NAT

L1 Bithead

I am putting in a Jabber system using Expressway-E and C. My Expressway-E server is NAT'd through the PA-3020 and I have a security rule set up to allow the required ports in on the Public address. If I make a call IN from an external Jabber client it goes through fine. If I try to make a call OUT from a phone to a jabber client, the call does not go through. 

 

My setup is similar to this: 

 

192.168.1.10 (internal address of EXP-E)

210.1.2.1 (external IP of EXP-E)

 

192.168.1.10 is NAT'd through to 210.1.2.1

 

u_turn rule 

trust-> untrust Dest Address=210.1.2.1  Source Translation= Dynamic/210.1.2.1 destination translation =192.168.1.10

 

MIp_rule

trust->untrust source address=192.168.1.10  source translation static/210.1.2.1 bi-di.

 

 

Security rule set up to allow incoming SIP type ports to come across on the 210.1.2.1 external IP. 

 

 

Expressway E is set up with a single interface. When Expressway-E has NAT turned on, I can make a call from external to internal. WHen Expressway-E has NAT turned off, I CAN get a call to go external, but there is no audio. 

 

Does anyone have any idea what I am doing wrong? 

 

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