a href link phone code example
Example 1: 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 2: html telephone link
<!-- To create a link to a telephone number, use tel: inside the href
attribute -->
<a href="tel:+880123456789"> Call: 0123456789 </a>