tel in html code example
Example 1: html href tel
<a href="tel:+number">Link text</a>
Example 2: html telephone link
One click should open the phone dialler and input the number to be called.
<a href="tel:5551234567">Call (555)123-4567</a>
Example 3: html telephone
<a href="tel:0612345678">Call me!</a>
Example 4: html textbox pattern mobile number
<input type="text" name="Phone Number" pattern="[7-9]{1}[0-9]{9}"
title="Phone number with 7-9 and remaing 9 digit with 0-9">