1G (1st Generation)

In cellular radio, referring to analog systems such as Advanced Mobile Phone Sys-

tem (AMPS), Narrowband AMPS (N-AMPS), Nordic Mobile Telephone (NMT), and Total Access Com-

munications System (TACS). See also 2G, 2.5G, 3G, AMPS, analog, cellular radio, N-AMPS, NMT, and TACS.

• current (I)
• custom calling services
• custom control routing
• customer access line charge (CALC)
• customer contact center
• customer-originated trace
• customer-owned coin-operated telephone (COCOT)
• customer premises equipment (CPE)
• customer rearrangement
• Custom Local Access Signaling Services (CLASS)
• custom ringing
• Cu Symbol for copper.
• cutoff frequency
• cutoff wavelength
• cut-through switch
• CVoDSL (Channelized Voice over Digital Subscriber Line)
• CVSD (Continuously Variable Slope Delta)
• CWDM (Coarse Wavelength Division Multiplexing)
• CWDM (Coarse Wavelength Division Multiplexing)
• cybercafé
• cybercafé
• cybercast
• cyberspace
• cycle time
• cyclic checksum