For all AT&T phones except the iPhone, callers are given an option to press 5 to leave a numeric page. In my line of work, this is very useful and I was wondering whether there is anyway to get this to work for the iPhone. I assume this is lost functionality somehow because it has a different voicemail system (Visual Voicemail) compared to the other phones. I'm aware of the ability to get text messages sent to me via SMS and email but would like a phone-centric paging option.