ontonechange property

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Event handler using the RTCDTMFToneChangeEvent interface to return the character for each tone as it is played out.


//Send a 1-second "1" tone followed by a 2-second "2" tone:

var sender = new RTCDtmfSender(sendObject);
sender.ontonechange = function (e) {
    if (e.tone == "1")
        sender.insertDTMF("2", 2000);
sender.insertDTMF("1", 1000);

Property values

Type: EventHandler

Standards information

See also