Time division digital switching installation for speech and...
Time division digital switching network
Time division digital transmission system
Time division duplex (tdd)
Time division exchange for carrying out a loop-back test
Time division multiple access modular system
Time division multiple access radio communication system
Time division multiple access radio communication system
Time division multiple access synchronization technique
Time division multiple access system for transmitting an...
Time division multiplex (tdm) data encapsulation
Time division multiplex arrangement
Time division multiplex communication system
Time division multiplex communication systems
Time division multiplex communication systems
Time division multiplex communications system
Time division multiplex network switching unit
Time division multiplex switching system
Time division multiplex system
Time division multiplex system