Obtain User's phone number from Mobile Safari

Question

Real story:

User taps on an advertisement inadvertently in Mobile Safari (iOS 5.0.1) and closes the ad immediately. Few minutes later Receives an SMS saying she successfully subscribed to an erotic video service.

Is it possible to obtain user's phone number using JS? Is this a known security hole?

Answer 1

不，没有此信息的API，但是网络运营商可以（有意或无意 ）将其提供给网站。