[OpenSIPS-Users] mediaproxy feature request - option to rely on SDP for connection info

[Dan Pascu]

On 12 Feb 2010, at 09:02, Jeff Pyle wrote:

> Hello,
>
> I'm not sure if this is the correct forum for a Mediaproxy feature  
> request, but if it is, here's what I'm thinking.
>
> I use Mediaproxy mostly for accurate accounting of non-NAT users.   
> The problem is that some of my carriers begin their RTP by sending  
> it to me from a source port other than the one specified in the RTP  
> (which Mediaproxy learns) before switching to the port specified in  
> the SDP.  By this point it's too late because the relay has already  
> locked to the first port number.

What those carriers do is illegal. They should not change the media IP/ 
port without a renegotiation (re-INVITE or UPDATE request). Mediaproxy  
can deal just fine with changing the IP/port if done following a SDP  
renegotiation.

>
> I'd love to see the option to specify a flag as a modparam where, if  
> set, Mediaproxy would skip the auto-learning of the addresses and  
> port numbers and rely on those specified in the SDP.  I would set  
> this flag for calls from/to non-NAT'd users so calls terminating to  
> these carriers would produce audio once they send traffic from the  
> port in their SDP.
>
>
> Thanks,
> Jeff
>
>
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--
Dan