A system including a server coupled to a wireless network, the server comprising a wireless interface adapted to transmit and receive wireless signals, one or more processors coupled to the wireless interface, the one or more processors adapted to: detect a registration request sent from a wireless device to a home location register (HLR) over which the server has authority to control, the request indicating an International Mobile Subscriber Identity (IMSI) associated with a subscriber identity module (SIM) card in the wireless device, send a reply to the wireless device in response to a determination that the IMSI is associated with a subscriber account that has not been activated, wherein the reply includes a web link to be displayed on the wireless device, receive a message from the wireless device when the web link displayed on the wireless device is subscriber activated, the message identifying characteristics of the wireless device, send a sequence of webpages to the wireless device, the webpages providing a customized activation process for establishing the subscriber account based on identified characteristics of the wireless device, and receive information related to the subscriber account from the wireless device in response to the webpages to thereby establish and activate the subscriber account.