This API is available on Firefox OS for internal applications only.
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
| Specification | Status | Comment |
|---|---|---|
| Web Telephony | Draft | Draft. |
Browser compatibility
For obvious reasons, support is primarily expected on mobile browsers.
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | No support | No support | No support | No support | No support |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | 12.0 (12.0) | 1.0.1 | No support | No support | No support |