[Devel] [ openser-Feature Requests-1441263 ] Nathelper enhancement: any IP in SDP

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Feature Requests item #1441263, was opened at 2006-03-01 12:14
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Sumeet (sumeetg)
Assigned to: Nobody/Anonymous (nobody)
Summary: Nathelper enhancement: any IP in SDP

Initial Comment:
Can Nathelper be enhanced to insert any user provided 
IP in the SDP C line through an AVP? Currently 
fix_nated_sdp() can only rewirite with the source IP 
of the message. 

Actually, most clients have their local IP in their O 
line. It might make sense to add another 
fix_nated_sdp option that pulls the IP from the O 
line and inserts into the C line. This along with 
the "any" IP insertion via AVP feature should cover 
clients that dont behave that way.


An example of use would be when there are 2 stun 
enabled clients calling from behind the same NAT. 
They both have the same external IP assigned in the 
SDP due to STUN. Usually most NAT's dont allow 
hairpin of media so the call fails. I'd like to take 
the local ip from the O line or from the DB and load 
it in an AVP then rewrite the C line with the local 
IP. 


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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=743023&aid=1441263&group_id=139143