[Serusers] To modify the video and audio port together

szj zjsun at biigroup.com
Fri Mar 4 01:59:10 CET 2005


Maxim Sobolev wrote:

> I already have a version of nathelper/rtpproxy which correctly handles 
> several media streams per single SIP session. I am planning to make it 
> available for general public in about 1 month.

Great, Maxim:
  
   I must say, it cost you too much effort to do that.
Thanks very much for you and your hard work.:)

  I hope to see that in the CVS later.

  Thanks again.
  Best Regards.

  Sun Zongjun

>
> -Maxim
>
> 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
>>>>
>>>> _______________________________________________
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>>>> serusers at lists.iptel.org
>>>> http://lists.iptel.org/mailman/listinfo/serusers
>>>>
>>>>
>>>
>>
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>>
>
>
>





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