denotes a communications channel that allows simultaneous transmissions from both the sender and receiver. An example is a typical telephone service.
DECT (Digital Enhanced Cordless Telecommunication)
DMUX – Demultiplexer.
List of Interactive TV Related Multiplexing Businesses
Multiplex, Multiplexer, Multiplexer-demultiplexer, Mux, Muldex
Network Management Software
NICAM (Near Instantaneous Companded Audio Multiplex
Optical Add-drop Multiplexer (OADM)
SCPC - (Single Channel per Carrier)
Statistical Multiplexing, Time Division Multiplexed (TDM)
Wavelength Services, Wave Division Multiplex, WDM
See the Interactive Television Institute.