çok basit 
<?php
if(isset($lead) && $lead->phonenumber != '') {
    $maskedPhoneNumber = substr($lead->phonenumber, 0, -4) . '****';
    echo '<a href="tel:' . $lead->phonenumber . '">' . $maskedPhoneNumber . '</a>';
    echo '<a href="tel:2' . $lead->phonenumber . '"><span style="font-size: 1em; color: red;" ><i class="fa-solid fa-phone"></i></span></a>';
    echo '<a href="tel:5' . $lead->phonenumber . '"><span style="font-size: 1em; color: green;"><i class="fa-solid fa-phone"></i></span></a>';
    echo '<a href="https://wa.me/+90' . $lead->phonenumber . '" target="_blank"><span style="font-size: 1.2em; color: green;">&nbsp;<i class="fa-brands fa-whatsapp"></i></span></a>';
} else {
    echo '-';
}
?>