I Just moved my web hosting to hostmonster, and I use my cell phone (Nokia E61) to try out the speed because I am planning to create a mobile version for my other site (http://www.compactbyte.com), and to my surprise, I see My Phone Number when checking the site configuration using phpinfo().
The phone number (complete with the country code) is included on the request HTTP_USER_IDENTITY_FORWARD_MSISDN. it seems that my mobile carrier (XL) uses Huawei Technologies Gateway. I know the gateway from the value of HTTP_VIA Which says: "(InfoX WAP Gateway), HTTP/1.1, Huawei Technologies", and the existence of HTTP_X_HUAWEI_NASIP that says my private (internal) IP address.
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