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toneBuffer property

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Returns a list of the tones remaining to be played out.

Syntax

//It is always safe to append to the tone buffer. 
//This example appends before any tone playout has started as well as during playout.

var sender = new RTCDtmfSender(sendObject);
sender.insertDTMF("123");
// append more tones to the tone buffer before playout has begun
sender.insertDTMF(sender.toneBuffer + "456");

sender.ontonechange = function (e) {
    if (e.tone == "1")
        // append more tones when playout has begun
        sender.insertDTMF(sender.toneBuffer + "789");
};

Property values

Type: DOMString

Standards information

See also

RTCDtmfSender