Ic card radio modem
Identification circuit
Identification device and method for multifrequency signal...
Identification forwarding circuit for use with tone-to-pulse...
Identification system
Identifier allocation method
Identifier circuit for identifying party line subscribers
Idle period signalling in a packet switching system
Idle-busy signalling between telephone system and radiophone...
Implementation of signalling in a telecommunications network
Implementing number portability using a flexible numbering...
Improved apparatus and method of providing a mobile...
Improved cover for a remote terminal
Improved handover for a mobile communication system, network...
Improved human interface for wireless telephone stations
Improved load balancing in a network of contact centres
Improved location based paging for mobile telephone units
Improved method of decoding uplink status flags for rt-egprs...
Improved method of operating a mobile telecommunications...
Improved method of operating a mobile telecommunications...