when clicked, makes a phone call on a mobile device? code example
Example 1: phone number button on website
<a href="tel:5554280940">Call us at 555-428-0940</a>
Example 2: link to call a phone number
<a href="tel:123-456-7890">CLICK TO CALL</a>
<a href="tel:5554280940">Call us at 555-428-0940</a>
<a href="tel:123-456-7890">CLICK TO CALL</a>