How to Trigger a Phone Call When Clicking a Link in a Web Page on Mobile Phone

How to trigger a phone call when clicking a link in a web page on mobile phone

Most modern devices support the tel: scheme. So use <a href="tel:555-555-5555">555-555-5555</a> and you should be good to go.

If you want to use it for an image, the <a> tag can handle the <img/> placed in it just like other normal situations with : <a href="tel:555-555-5555"><img src="path/to/phone/icon.jpg" alt="Call 555-555-5555" /></a>

Can I make a phone call from HTML on Android?

Yes you can; it works on Android too:

tel: phone_number

Calls the entered
phone number. Valid telephone numbers
as defined in the IETF RFC 3966 are
accepted. Valid examples include the
following:

* tel:2125551212
* tel: (212) 555 1212

The Android browser uses the Phone app to handle the “tel” scheme, as defined by RFC 3966.

Clicking a link like:

<a href="tel:2125551212">2125551212</a>

on Android will bring up the Phone app and pre-enter the digits for 2125551212 without autodialing.

Have a look to RFC3966

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