exchange

connections between) the lines and trunks terminating there. See also CO, line, line side, PSTN, trunk, and trunk side. 2. The area served by a central office exchange (CO or COE). Synonymous with carrier serving area (CSA). See also CO and CSA.

• Consortia, Fora, and Special Interest Groups (SIGs)
• Consortia, Fora, and Special Interest Groups (SIGs)
• constant bit rate (CBR)
• constraint-based routing
• Consultative Committee for International Telephone and Telegraph (CCITT)
• content blocking
• continuity algorithm
• continuously variable slope delta modulation (CVSDM)
• continuously variable slope delta modulation (CVSDM)
• continuous redial
• continuous redial
• contraction
• Controlling the Assault of Non-Solicited Pornography and Marketing Act (CAN-SPAM Act)
• control plane
• control unit
• conventional band (C-Band)
• convergence
• Convergence Sublayer (CS)
• converter box
• .coop (cooperative)
• coordinated dialing plan
• copper (Cu)
• Copper Distributed Data Interface (CDDI)
• copyright (©)
• cordboard