[SR-Users] Rtpproxy re-INVITE handling

Daniel-Constantin Mierla miconda at gmail.com
Thu Aug 30 09:51:04 CEST 2012


Hello,

if your config it is based on the default one, the Route header for 
within dialog requests is marked by a parameter, nat=yes, that is used 
to decide whether to do rtpproxy or not.

So, if you have a custom config, check the default one for the nat 
traversal handling part.

Cheers,
Daniel

On 8/30/12 12:39 AM, Spencer Thomason wrote:
> Hello,
> I'm using Kamailio 3.2.4 for NAT traversal using rtpproxy_manage() in 
> a largely stock script.  Everything works great until the far end (on 
> a public ip) sends a t.38 re-INVITE.  The 200OK from the NATed UAC 
> then doesn't trigger rtpproxy and the private IP in the sdp causes the 
> fax to fail. Any help handling these re-INVITEs would be greatly 
> appreciated.  I'm happy to post traces if that helps describe the 
> situation.  The network topology looks like this:
>
> NATed UAC -> Kamailio on a public IP -> UAS on a public IP
>
>
> Thanks in advance,
> Spencer
>
>
> /Connected by DROID on Verizon Wireless/
>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Nov 5-8, 2012 - http://asipto.com/u/kat

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