Based on what I have read on the wiki this shud work - i.e. remote endpoints 
behind NAT.

Any ideas what I may be missing?

Calling outbound i.e in other direction - xlite to sipx to ITSP to PSTN cell 
phone works fine with 2 way audio.

I know its a wkend, but this is killing me


On Aug 13, 2010, at 8:09 PM, "Ujjval Karihaloo" 
<[email protected]<mailto:[email protected]>> wrote:

Call from ITSP --> SIPTrunk on SIPX--> Call to Registered Endpoint/extension(E) 
behind Firewall (F).

Call is connected but no audio..

The 200OK from the endpoint has its Private IP in the 200OK SDP…so I see SIPX 
send RTP to Private IP E.

Also the RTP coming from Public Ip F (the endpoint is behind F) is also not 
forwarded to the ITSP..

Any ideas where in SIPX Config I look

SIPX is not behind FW and has a Public IP?

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