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

Jonathan Lennox <jonathan@vidyo.com> Wed, 16 November 2011 07:20 UTC

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From: Jonathan Lennox <jonathan@vidyo.com>
To: Justin Uberti <juberti@google.com>, Hadriel Kaplan <HKaplan@acmepacket.com>
Date: Wed, 16 Nov 2011 02:20:02 -0500
Thread-Topic: [rtcweb] The DTMF API [Was: Traffic should be encrypted. (Re: Let's define the purpose of WebRTC)]
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Cc: Randell Jesup <randell-ietf@jesup.org>, "<rtcweb@ietf.org>" <rtcweb@ietf.org>
Subject: Re: [rtcweb] The DTMF API [Was: Traffic should be encrypted. (Re: Let's define the purpose of WebRTC)]
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Justin Uberti writes:
[Local]MediaStreamTrack.sendDTMF(in DOMString tones, in optional long duration)

ex:
sendDTMF("1")  // plays tone 1 for 50 ms
sendDTMF("2", 200)  // plays tone 2 for 200 ms
sendDTMF("123")  // plays tones 1, 2, 3 in succession, each for 50 ms
sendDTMF("456", 200)  // plays tones 4, 5, 6 in succession, each for 200 ms

For some UI models, you may need start-DTMF / stop-DTMF APIs, mapping to mousedown / mouseup on a button or similar.  You don’t know in advance how long the user will hold the key down.

--
Jonathan Lennox
jonathan@vidyo.com

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