Line condition data collecting system for a telephone exchange
Line connection reversing circuits
Line equipment for scan and control system for synchronized...
Line hunting circuitry for common control communications...
Line information security interface for tapi service provider
Line interface circuit
Line interface unit for voice and wide band signal coupling
Line lockout circuit
Line protection switching system
Line scanner circuit for data concentrator
Line scanning system in an exchange centre
Line status control for electronic key telephone system
Line switching system for digital data
Line variation compensation system for synchronized pcm...
Line-based public safety answering point
Link adaptation for rt-egprs
Link level support of wireless data
Link network
Link switch for a burst-switching communications system
Liquid crystal display