A wireless mobile communication device may be configured to include its Mobile Device Number (MDN) and its Mobile Equipment Identification (MEID) with each outgoing communication request when communicating over the internet through a Wi-Fi connection. A server may be configured to authenticate each request by comparing the MEID and MDN which are received from the wireless mobile communication device with MEID and MDN pairs which are stored in an equipment registration database. The wireless mobile communication device may also be configured to communicate at different times through a different type of internet connection, such as through a cellular telecommunication system. During this mode of communication, the IP address and the MDN of the mobile communication device may instead be used for authentication purposes by the server.