[Freeswitch-users] iLBC codec 97 or 102

dujinfang dujinfang at gmail.com
Fri May 8 07:42:49 PDT 2009


On May 8, 2009, at 9:32 PM, Brian West wrote:

> actually I think we can remove the 102 version that was there for  
> some google talk thing and I don't think we they do that anymore  
> I'll have to test but ... if we invite to you with mod=30 you have  
> to do 30 no exceptions as per the iLBC spec.
>

sure the client is broken. but it only do the right thing when you  
invite me with 102 and mod=30.

Please don't remove the 102 before I had my client fixed ;)

btw, client can invite with 102 to FS without problem.

Thank you again. I think I can make the client work by remove the  
other versions.  If we need multi versions in the future,, I'd like to  
make a patch make it configurable.

> /b
>
> On May 8, 2009, at 4:04 AM, seven wrote:
>
>> But there is only two 30ms variants,
>>
>> SWITCH_CODEC_TYPE_AUDIO, 97, "iLBC", "mode=20",
>> SWITCH_CODEC_TYPE_AUDIO, 98, "iLBC", "mode=30",
>> SWITCH_CODEC_TYPE_AUDIO, 102, "iLBC", "mode=30",
>>
>> Why FS INVITE with mode=30 and 97 but not 98/102 as I'm using  
>> iLBC at 30i ?
>>
>>
>> v=0
>> o=FreeSWITCH 6662257026041736756 6335871247713715835 IN IP4  
>> 202.102.135.76
>> s=FreeSWITCH
>> c=IN IP4 202.102.135.76
>> t=0 0
>> m=audio 20820 RTP/AVP 97 101 13
>> a=rtpmap:97 iLBC/8000
>> a=fmtp:97 mode=30
>> a=rtpmap:101 telephone-event/8000
>> a=fmtp:101 0-16
>> a=rtpmap:13 CN/8000
>> a=ptime:30
>
> Brian West
> brian at freeswitch.org
>
> -- Meet us at ClueCon!  http://www.cluecon.com
>
>
>
>
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