Re: [Sip-implementors] [Sipping] DTMF digits through RTP or INFO

Prince,
 All the VoIP equipments support RFC 2833. However for backward 
compatibilty with existing equipments they also support DTMF. So you end 
up with a configurable option on most devices.

Cheers
Gaurav Kulshreshtha
Jonathan Rosenberg wrote:
> There is also RFC 2833, which carries them inband. The app interaction 
> framework:
>
> http://www.ietf.org/internet-drafts/draft-ietf-sipping-app-interaction-framework-05.txt 
>
>
> describes the relative roles of the two.
>
> Thanks,
> Jonathan R.
>
> Dolly, Martin C, ALABS wrote:
>
>> Prince,
>>  
>> KPML, http://tools.ietf.org/wg/sipping/draft-ietf-sipping-kpml, which is
>> in the RFC ed. queue, waiting for the authors final update (oh)
>>  
>> Martin
>>
>> ________________________________
>>
>> From: Prince Arimboor Philip
>> [mailto:prince.philip@flextronicssoftware.com] Sent: Thursday, May 
>> 11, 2006 2:50 AM
>> To: sip-implementors@cs.columbia.edu; sipping@ietf.org
>> Subject: [Sipping] DTMF digits through RTP or INFO
>>
>>
>>
>> Hi all,
>> what is the recommended way of communicating the DTMF digits?
>> Also please tell me which is the mechanism used by most of the SIP end
>> points to communicate the DTMF digits?
>> thanks in advance, Prince
>>
>>
>> ***********************  FSS- Confidential   ***********************
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>>
>

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