ReadonlyactiveThe currently active call or call group.
ReadonlycallsA list of all calls.
ReadonlyconferenceThe conference call group.
Indicates whether the microphone is muted.
Event handler for when the list of calls changes.
Event handler for incoming calls.
Event handler for when a call is held remotely.
Event handler for when a call is resumed remotely.
ReadonlyreadyA promise that resolves when the telephony API is ready.
Indicates whether the speakerphone is enabled.
The addEventListener() method of the EventTarget interface sets up a function that will be called whenever the specified event is delivered to the target.
Optionaloptions: boolean | AddEventListenerOptionsMake a phone call or send the mmi code depending on the number provided.
The number to dial.
OptionalserviceId: numberThe service ID to use for the call.
Make an emergency call.
The emergency number to dial.
OptionalserviceId: numberThe service ID to use for the call.
The dispatchEvent() method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order.
Request audio channel for telephony.
The removeEventListener() method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener() from the target.
Optionaloptions: boolean | EventListenerOptionsSend a series of DTMF tones.
The DTMF tones to send.
OptionalpauseDuration: numberThe duration of the pause between tones in milliseconds.
OptionaltoneDuration: numberThe duration of each tone in milliseconds.
OptionalserviceId: numberThe service ID to use for sending tones.
Start sending a DTMF tone.
The DTMF tone to start.
OptionalserviceId: numberThe service ID to use.
Stop sending the currently playing DTMF tone.
OptionalserviceId: numberThe service ID to use.
Preference
dom.telephony.enabled