This API is available on Firefox OS for internal applications only.
The startTone() method of the Telephony Interface begins generating the tone for the specified DTMF character. The tone is sent to the currently active call, and continues to sound until a corresponding call to Telephony.stopTone().
Syntax
myTelephony.startTone(dtmfChar);
Parameters
dtmfChar- A
DOMStringindicating the DTMF character to dial; this must be a character from 0-9, "*", or "+".
Returns
Void.
Examples
// Telephony object
var tel = navigator.mozTelephony;
tel.startTone("1");
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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chrisdavidmills,
teoli,
fscholz,
MHasan,
kscarfone,
Jeremie,
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ethertank
Last updated by:
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