Trunk for packet switching
Trunk interface circuit
Trunk selection scanning circuit
Trunk timer arrangement
Trunked communication system with nationwide roaming capability
Tsps key scanner
Two party memory access arbitrator
Two-dimensional optoelectronic tune-switch
Two-mode operation memory for digital internal switch
Two-stage, at least doubled atm reversing switching network...
Two-way radio paging system using direct sequence spread...
Two-way telephone and two-way paging service on the same...
Two-way wide area telemetry system
Two-way wireless messaging system having user agent
Two-wire signal transmission system
Two-wire switching network
Two-wire, multiple-transducer communications system