[SIPForum-discussion] Difference in DTMF payloads

[Javier Dejo]

I will take a look to it, but then a new question: Is it backwards compatible with RFC2833? Does a device that supports RFC4733 has to support 2833 for backwards compatibility, as a separated thing?

 

 

 

 

 

Javier E. Dejo

 

	Hi all,

	 

	I’m a newbie to this list, and to SIP, and I have a question: What is the difference between DTMF event payload 100 and 101?

	 

	Are them both RFC2833?

I don't have an answer to your question, but I would point out that RFC 2833 has been made obsolete by RFC 4733:

  http://www.rfc-editor.org/rfc/rfc4733.txt

So that should be the reference used when looking at this way of doing DTMF over SIP. (i.e.  RFC 2833 should no longer be used)

Regards,
Dan



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