[Freeswitch-users] CELT codec code number

[Michael Jerris]

using 95 is wrong. That is not part of the dynamic range for  
unassigned codecs.  This needs to be fixed on their side.

MIke

On Jul 28, 2009, at 12:23 PM, Brian West wrote:

>
> On Jul 28, 2009, at 11:14 AM, Helmut Kuper wrote:
>
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>> Hash: SHA1
>>
>> Hello,
>>
>> today I finylly got a working Ekiga Softphone version which is able  
>> to
>> use high quality celt codec with FS :)
>>
>>
>> On my way to get it work with FS I found that Ekiga currently uses  
>> codec
>> code 95 in SDP while FS uses 114. Changing FS to 95 made it works  
>> so I'm
>> now able to listen to my PBX-based MP3-Player on Windows Desktop  
>> instead
>> of using Ubuntu.
>
> It should work if they use different codec numbers.... I suspect we  
> are sending on 114 and receiving on 95 which is what should take  
> place.  This is one of those areas most people fail to implement  
> properly.  We send the remote our RTP map they send us theirs... Can  
> you get a packet capture of this taking place so I can verify who is  
> at fault?
>
> /b
>
>
>
>> veeeeeerrry cool work of FS team !!!!!
>>
>> Concerning the codec code 95, 114 or whatever I found the link below,
>> which states that every codec code between 96 and 127 is OK but it  
>> seems
>> they prefer 97 ...
>>
>> http://tools.ietf.org/html/draft-valin-celt-rtp-profile-02#section-5
>>
>>
>> You can get windows Ekiga 3.2.5 (with celt 0.5.1) here:
>> http://wwwuser.gwdg.de/~mrickma/ekiga/ekiga-setup-3.2.5-release.exe
>>
>
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