>>   m=audio 10014 RTP/AVP 18 18 101
>>   a=fmtp:18 annexb=no
>>   a=fmtp:18 annexb=yes

I'm pretty sure the above is illegal.


It would be better to use a dynamic payload:

>>   m=audio 10014 RTP/AVP 18 102 101
>>   a=fmtp:18 annexb=no
>>   a=rtpmap:102 G729/8000
>>   a=fmtp:102 annexb=yes

Regards,

Attila
http://www.vegastream.com



>> -----Original Message-----
>> From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED] Behalf Of Sarkar,
>> Uttam
>> Sent: 15 November 2006 20:10
>> To: Sanjay Sinha (sanjsinh); sudhagar NAGARAJAN;
>> [email protected]
>> Subject: Re: [Sip-implementors] Required SDP content for 
>> G729A, G729AB,
>> G729B
>> 
>> 
>>   Actually we did send INVITE to UA specifying both G729A 
>> and G729B. UA
>> did not reject the Call. We configure the UA's codec to 
>> G729A and G729B
>> separately and they worked.
>>  However, some UA may not like it.
>> 
>>   Here is a sample SDP that specify G729A and G729B.
>>   
>>   v=0
>>   o=root 743184990 743184990 IN IP4 10.50.10.146
>>   s=call
>>   c=IN IP4 10.50.10.146
>>   t=0 0
>>   m=audio 10014 RTP/AVP 18 18 101
>>   a=fmtp:18 annexb=no
>>   a=fmtp:18 annexb=yes
>>   a=rtpmap:101 telephone-event/8000
>>   a=fmtp:101 0-15
>>   a=ptime:20
>>   a=sendrecv
>> 
>> 
>>   I think G729B is G729A + VAD.
>> 
>>   Correct me if I am wrong.
>> 
>> -----Original Message-----
>> From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED] On Behalf Of Sanjay
>> Sinha (sanjsinh)
>> Sent: Wednesday, November 15, 2006 2:58 PM
>> To: sudhagar NAGARAJAN; [email protected]
>> Subject: Re: [Sip-implementors] Required SDP content for 
>> G729A, G729AB,
>> G729B
>> 
>> I do not think it is possible to indicate support for G729A 
>> & G729B in
>> same offer. G729B and G729AB are fully interoperable.
>> 
>> >-----Original Message-----
>> >From: [EMAIL PROTECTED] 
>> >[mailto:[EMAIL PROTECTED] On Behalf Of 
>> >sudhagar NAGARAJAN
>> >Sent: Wednesday, November 15, 2006 4:01 AM
>> >To: [email protected]
>> >Subject: [Sip-implementors] Required SDP content for G729A, 
>> >G729AB, G729B
>> >
>> >Hi,
>> >
>> >    Can anyone send me the SDP contents of how the SDPs will 
>> >look like for a incoming INVITE messages(with SDP) from a UAC, 
>> >which supports G729A & G729AB & G729B.
>> >
>> >Thanks,
>> >Sudhagar
>> >_______________________________________________
>> >Sip-implementors mailing list
>> >[email protected]
>> >https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
>> >
>> 
>> _______________________________________________
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>> communication or its substance is prohibited.
>> 
>> 
>> 
>> _______________________________________________
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>> 

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