[rtcweb] DTMF (was Re: Traffic should be encrypted. (Re: Let's define the purpose of WebRTC))

Matthew Kaufman <matthew.kaufman@skype.net> Tue, 15 November 2011 00:55 UTC

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Date: Tue, 15 Nov 2011 08:55:51 +0800
From: Matthew Kaufman <matthew.kaufman@skype.net>
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Subject: [rtcweb] DTMF (was Re: Traffic should be encrypted. (Re: Let's define the purpose of WebRTC))
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(Yet again editing the subject line)

On 11/14/11 8:38 PM, Hadriel Kaplan wrote:
> The only reason to have "DTMF" as true "DTMF" a la rfc4733 is to be 
> able to use media-servers created from other vendors/third-parties, 
> possibly not even managed/owned by the same domain as WebRTC is 
> running in. But for that to work, it needs to be based on a standard. 
> The only two IETF standards for that today are KPML and RFC4733. And 
> if we want it to be based on a standard most media-servers actually 
> implement, that would be RFC4733.


Agreed. There are use cases for which it is necessary to have the 
browser insert RFC4733 DTMF in the media channel, rather than sending 
arbitrary events to the HTTP / signaling server.

This should be a requirement.

Matthew Kaufman