TelephonyCall.emergency

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

Browser compatibility

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

See also

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