Prepaid communication services utilizing a prepaid...
Prepaid smart card in a GSM based wireless telephone network...
Preventing excessive use of security keys in a wireless...
Preventing misuse of call forwarding service
Preventing unauthorized switching of mobile...
Process for managing a number of mobile stations registered in a
Process for the secure management of the execution of an...
Process for transmitting sms messages with protected identity
Process to control a subscriber identity module (SIM) in...
Processing of emergency calls in wireless communications system
Programmable cellular telephone and system
Providing broadcast content
Providing location data about a mobile entity
Proxy authentication for tethered devices
Proxy-encrypted authentication for tethered devices
Public access point
Public access point
Public mobile communication system compatible wireless...