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

[Hadriel Kaplan <[e-mail]>]

On Nov 16, 2011, at 1:13 AM, Justin Uberti wrote:

> [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

Sounds good to me, but supporting a multi-digit-string as you did above reminds me that I'll have to check with some experts if this is ok - it reminded me there have been issues with DTMFs being too close to each other in time, but I am not an expert in that and it may not be an issue at all.  (there were issues in PSTN when multiple DTMFs were generated back-to-back from a saved address-book contact-entry type thing, but it may have only been a problem for using in-band DTMF which won't be an issue here)
I'll ask.

-hadriel