RTCDTMFToneChangeEvent

The RTCDTMFToneChangeEvent interface represents events sent to indicate that DTMF tones have started or finished finished playing. This interface is used by the tonechange event.

Properties

In addition to the properties of Event, this interface offers the following:

RTCDTMFToneChangeEvent.tone Read only

A DOMString specifying the tone which has begun playing, or an empty string ("") if the previous tone has finished playing.

Constructors

RTCDTMFToneChangeEvent()

Returns a new RTCDTMFToneChangeEvent. It takes two parameters, the first being a DOMString representing the type of the event (always "tonechange"); the second a dictionary containing the initial state of the properties of the event.

Methods

Supports the methods defined in Event. There are no additional methods.

Examples

tbd

Specifications

Specification	Status	Comment
WebRTC 1.0: Real-time Communication Between Browsers The definition of 'RTCDTMFToneChangeEvent' in that specification.	Working Draft	Initial definition.

Browser compatibility

See also

• WebRTC
• Its usual target: RTCDTMFSender.