CDDI (Copper Distributed Data Interface)

Also known as TPDDI (Twisted Pair Distributed Data

Interface). A standard for extending Fiber Distributed Data Interface (FDDI) connections to workstations via unshielded twisted pair cable (UTP) over distances of 100 meters or less. See also FDDI and UTP.

• CT2 (Cordless Telephony generation 2)
• CT2 (Cordless Telephony generation 2)
• CT2 (Cordless Telephony generation 2)
• CT2+ (Cordless Telephony generation 2 plus)
• CT3 (Cordless Telephony generation 3)
• CT (Computer Telephony)
• CTD (Cell Transfer Delay)
• CTIA
• CTS (Clear To Send)
• CTX (CenTreX)
• CUG (Closed User Group)
• 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