[Serusers] Re: To modify the video and audio port together

Atle Samuelsen clona at camaro.no
Thu Mar 3 12:00:21 CET 2005


Hi Guys, 

I tested the patch that was released on the mailing list when it was
tehre (proberbly 2-3-4 months ago) And it worked like a charm.

-atle

* Klaus Darilion <klaus.mailinglists at pernau.at> [050303 11:38]:
> Hi!
> 
> Some time ago, there was a patch on the mailinglist for this extension. 
> But it never was included in the official rtpproxy. AFAIK mediaproxy 
> supports also video. Nevertheless, it would be great if video support 
> would be included in nathelper and rtpproxy.
> 
> regards,
> klaus
> 
> szj wrote:
> 
> >Klaus Darilion wrote:
> >
> >>take a look at fix_nated_register() from nathelper. This function will 
> >>use the received column.
> >>
> >   Thank you very much for you timely reply!
> >   Yes, you are right, I am now browsing the fix_nated_*() functions.
> >   What I want to to is to extend the extract_mediaport() to support
> >the extraction of the audio and video port from SDP. Of course,
> >we had to modify the alter_mediaport(), rtpproxy program and protocol
> >between them.:(
> >   I wonder who can give some advice on that!
> > 
> >    Thanks for all of you.
> >  Best Regards
> >
> > Sun Zongjun
> >
> >>regards,
> >>klaus
> >>
> >>
> >>szj wrote:
> >>
> >>>
> >>> During the testing procedure, I found that when both sip UAs
> >>>who are located behind the same NAT cloud want to establish
> >>>voice or video connection, there is not neccesary to bridge
> >>>them with rtpproxy. Only in situations where one of UA sits
> >>>behind NAT or each UA sits behind different NAT clouds, that
> >>>need a RTPProxy to bridge their media stream.
> >>> What I mean is SER can determine the use of RTPproxy or not
> >>>through the registration of sip UA. In location table, there
> >>>are recieved and contact fields. But ser don't fill the
> >>>recieved field, I think it is very userful for NAT.
> >>>
> >>>   Glad to hear your instructions
> >>>     Best Regards
> >>>
> >>>Sun Zongjun
> >>>
> >>>_______________________________________________
> >>>Serusers mailing list
> >>>serusers at lists.iptel.org
> >>>http://lists.iptel.org/mailman/listinfo/serusers
> >>>
> >>>
> >>
> >
> >
> 
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