Spare capacity allocation tool
Spare signal line switching method and apparatus
Spare subscriber terminal apparatus
Spare subscriber terminal device in a digital concentrator
Spatial division multiple access wireless communication systems
Spatial reuse of bandwidth on a ring network
Special character sequence detection circuit arrangement
Spectrally efficient broadband transmission system
Spectrally efficient TDM duplex communication system
Speech and data communication network
Speech and data multiplexor optimized for use over impaired and
Speech detector circuit for a TASI system
Speech detector circuit with associated gain control for a tasi
Speech packet communication system
Speech packet communication system and method
Speech packet switching method and device
Speech path control system
Speech path switching control apparatus and method for making ma
Speech path switching system in time-divisional electronic telep
Speech processing device for radioelectric equipment adapted for