This API is available on Firefox OS for internal applications only.
The emergency read-only property of the TelephonyCall interface indicates whether the current telephone number is an emergency number.
Syntax
var emergencyNumber = myCall.emergency;
Value
A Boolean
Examples
// Telephony object
var tel = navigator.mozTelephony;
// Place a call
tel.dial("123456789").then(function(call) {
call.id;
call.emergency; // can only return true for outgoing calls;
});
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 |
See also
Document Tags and Contributors
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Contributors to this page:
chrisdavidmills,
teoli
Last updated by:
chrisdavidmills,