Teléfono de enlace en Safari
<!-- The problem is that iOS will automatically turn anything that looks -->
<!-- like a phone number into a link. You can disable that functionality with -->
<meta name="format-detection" content="telephone=no">
<!-- And then explicitly use the "tel" URI scheme, like this: -->
<a href="tel:+44 (0)845 519 7811">+44 (0)845 519 7811</a>
Lucas Juan