Hi,

I am not expert, and if i understood you correctly, i am doing it like that:

set late negotiation to false (it can be set true if you want to negotiate it on the fly, but it didn't work for me)
 
don't use absolute_codec_string instead use codec_string and put codec(s) what EP2 is offering, now if A side is sending one of the codec which are defined for EP2 then it will be used.
 
i didn't consider your FS at right side because your SWITCH definately going to transcode the codec into G729, otherwise above scenario should be same for both FS.
let me know if it also works for you, i am also using it in proxy media mode.
are you using xml_curl?

- Saeed
On Fri, Jun 19, 2009 at 11:28 PM, Mariano de Llano <mariano.dellano@gmail.com> wrote:

You are right, it seams that it can not be done.

In the past I've tried to do something similiar but with no success.
Apperently the documentation is wrong.

If I have some time I will look at the code and I will give you some
feedback.

Cheers,

PS: The transcoding question has nothing to do with your question :)

On 19/06/2009, at 17:18, JuanMa wrote:

> I'm sorry, but like I said, I DONT WANT to do transcoding with FS(I
> have another switch who is in charge of it, witch is from another
> technology), I only want to negotiate the codecs in the way that I
> want it. This only seams to work when bypass media or proxy media is
> set to false. Due I need to use it as a SBC(session border controller)
> or pseudo proxy (I already know that is not intend for it), I need to
> negotiate the codecs in the FS. In the current thread I've already
> explained what I'm trying to do. If you give me a tip I'm willing to
> make the documentation richer.
>
> Thanks
> Regards
>
> In my architecture the switch who is in charge of transcoding IS NOT a
> FS.
>
>
> On 19/06/2009, at 16:19, Brian West wrote:
>
>> No right now you can not legally transcode G729 in FreeSWITCH,
>> PERIOD!
>>
>> /b
>>
>> On Jun 19, 2009, at 2:11 PM, JuanMa wrote:
>>
>>> Yes, it can do transcoding. Transcoding isn't the problem to my
>>> architecture, my problem is the codec negotiation between FS and
>>> Endpoints.
>>>
>>
>>
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