TelephonyCall.onalerting

The onalerting event handler of the TelephonyCall interface is a reference to a function to be called to handle the Telephony API's alerting event.

The event handler is called with a CallEvent as its only parameter.

Syntax

myCall.onalerting = function() { ... };

Examples

// Telephony object
var tel = navigator.mozTelephony;
// Place a call
tel.dial("123456789").then(function(call) {
  call.number;
  call.onalerting = function() {
    // respond to alerting
  }
});

Specifications

Browser compatibility

For obvious reasons, support is primarily expected on mobile browsers.

See also

• Using the Web Telephony API
• TelephonyCall
• Telephony
• CallEvent
• Navigator.mozTelephony