Direct dialing number registering method and apparatus
Directed retry for call setup
Directional frequency allocation in an N=6 cellular radio system
Directional frequency assignment in a cellular radio system
Directivity characteristics of mobile terminals
Disabling of echo cancelers after call startup
Disabling operation of features on a handheld mobile...
Disaster recovery for very large GSM/UMTS HLR databases
Dispatch network and IMS integration with centralized event...
Display caller ID on IPTV screen
Disposable mini-applications
Distance determination apparatus for use devices in a...
Distance determination method for use by devices in a...
Distributed antenna communications system
Distributed channel assignment method
Distributed dynamic channel allocation technique for...
Distributed dynamic channel allocation technique for...
Distributed dynamic channel management in cellular systems
Distributed GPS for geolocation of a network of nodes
Distributed indoor digital multiple-access cellular telephone sy