Label switching and control interface for asynchronous fast...
Land-line supported private base station operable in a...
Large capacity switching matrix
Large nxn optical switch using binary trees
Layer 2 protocol in a cellular communication system
Layer 2 protocol in a cellular communication system
Layer 2 protocol in a cellular communications system
Least cost router
Least cost routing method according to information transfer...
Level measurement for grease separators
Light emitting display on a portable communication device...
Light signal using remote control for tv receiver channel...
Limiting access to private networks in cellular...
Line and link sensing technique for pabx telephone system
Line circuit
Line circuit for telecommunications exchange using tdm
Line circuit in automatic switching system
Line class detecting systems
Line concentrator
Line concentrator