[Users] codec translation

Stefano Capitanio s.capitanio at caspur.it
Thu Feb 15 11:52:37 CET 2007


Hi,

we would be very interested! :-)
I think it's a great idea but...what do you mean with "very simple" ?!

Stefano

Atle Samuelsen ha scritto:
> Hi Guys,
>
> Just qurious.. How intrested are you guys in a very simple transcoder,
> wich is based on rtpproxy ? 
>
> - Atle
>
> * Andreas Granig <andreas.granig at inode.info> [070215 11:09]:
>   
>> Hi,
>>
>> rtpproxy and mediaproxy do media-relaying and OpenSER does SIP routing. Both have nothing to do with codecs, which are 
>> negotiated end-to-end. So yes, OpenSER and rtpproxy/mediaproxy do support G729 in a sense that they allow UACs to communicate 
>> with G729. If you want to transcode between codecs (e.g. G711 <-> G729), you need - as Daniel already said - a transcoder 
>> like Asterisk.
>>
>> Andreas
>>
>> raviprakash sunkara wrote:
>>     
>>> Hello Daniel ,
>>> I'm Also Having the Same doubt on g729 Codec,
>>> I'm  using RTPproxy with Nathelper ,
>>> OpenSER and RTP proxy does  media signaling when the Call is Established,
>>> My main question is
>>> Is RTP proxy support the G729, with OpenSER,
>>> With out using the Transcoder ( Asterisk ) How can OpenSER signals the G729 Codec.
>>> On 2/15/07, *Daniel-Constantin Mierla * <daniel at voice-system.ro <mailto:daniel at voice-system.ro>> wrote:
>>>    Hello,
>>>    you need a transcoder in the middle. OpenSER does only signaling, so it
>>>    is not able to transcode. Asterisk, for example, does.
>>>    Cheers,
>>>    Daniel
>>>    On 02/15/07 10:57, tusker keg wrote:
>>>     > Howdy
>>>     >
>>>     > I have a situation  I hope you guys will help me out with
>>>     >
>>>     > I am receiving  call from a VOIP  peer  (SIP Call) and the peer can
>>>     > only send them as G711.
>>>     > I need to redirect to call to another voip peer over the wan and due
>>>     > to bandwidth considerations I need to translate the codec to g729.
>>>     >
>>>     > Any ideas on how to do this,
>>>     >
>>>     > Sample config file will be help
>>>     >
>>>     > Regards
>>>     >
>>>     > ./Tusker
>>>     >
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>>> Thanks and Regards
>>> Ravi Prakash Sunkara
>>> ravi.sunkara at hyperion-tech.com <mailto:ravi.sunkara at hyperion-tech.com>
>>> M:+91 9985077535
>>> www.hyperion-tech.com <http://www.hyperion-tech.com>
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