Cellular telephone network having short message service interact
Cellular telephone network routing method and apparatus for inte
Cellular telephone network support of audible information delive
Cellular telephone network support of international mobile stati
Cellular telephone network with record keeping for missed calls
Cellular telephone safety system
Cellular telephone safety system
Cellular telephone set capable of automatically selecting a cont
Cellular telephone set, dial lock releasing method used in...
Cellular telephone signal monitoring method and system
Cellular telephone system having mobile charging region and area
Cellular telephone system having prioritized greetings for prede
Cellular telephone system that uses position of a mobile unit to
Cellular telephone system that uses position of a mobile unit to
Cellular telephone system that uses position of a mobile unit to
Cellular telephone system that uses position of a mobile...
Cellular telephone system that uses position of a mobile...
Cellular telephone system which increases efficiency of...
Cellular telephone using pseudolites for determining location
Cellular telephone using pseudolites for determining location