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Re: [rtcweb] Confirmation of DTMF issue

Jean-Marc Valin <jmvalin@mozilla.com> Thu, 14 April 2016 07:49 UTC

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To: Ted Hardie <ted.ietf@gmail.com>, "rtcweb@ietf.org" <rtcweb@ietf.org>, Cullen Jennings <fluffy@cisco.com>, Sean Turner <sean@sn3rd.com>
References: <CA+9kkMA7uuSiyUARxZou9KDZ7sEg+RphHZjEK1SLWS-ptMKLKA@mail.gmail.com>
From: Jean-Marc Valin <jmvalin@mozilla.com>
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Date: Thu, 14 Apr 2016 03:49:29 -0400
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Subject: Re: [rtcweb] Confirmation of DTMF issue
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+1

On 04/13/2016 04:31 PM, Ted Hardie wrote:
> With Martin's friendly amendments, the room at IETF 95 agreed to
> the follow as the resolution of the DTMF discussion.  The chairs
> would like anyone who has new issues with this to let us know as
> soon as possible and no later than Wednesday, April 20th, noon
> UTC,
> 
> 
> "DTMF events generated by a WebRTC endpoint MUST have a duration of
> no more than 8000 ms and no less than 40 ms.  The recommended
> default duration is 100 ms for each tone. The gap between events
> MUST be no less than 30 ms;  the recommended default gap duration
> is 70 ms.
> 
> WebRTC endpoints are not required to do anything with RFC 4733
> tones sent to them, except gracefully drop them. There is currently
> no API to inform JavaScript about the received DTMF or other RFC
> 4733 tones."
> 
> regards,
> 
> Ted, Cullen, and Sean
> 
> 
> _______________________________________________ rtcweb mailing
> list rtcweb@ietf.org https://www.ietf.org/mailman/listinfo/rtcweb
> 
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