One click should open the phone dialler and input the number to be called. <a href="tel:5551234567">Call (555)123-4567</a>
Area code with dashes, 1 and + sign <a href="tel:+1-555-555-1212">555-555-1212</a> Area code with no dashes, 1 and + sign <a href="tel:+15555551212">555-555-1212</a>
<label for="phone">Enter your phone number:</label> <input type="tel" id="phone" name="phone" pattern="[0-9]{3}-[0-9]{2}-[0-9]{3}">
