cloud

dialing the destination telephone number. Synonymous with caller ID. See also ACD, ANI, call center, CLASS, LEC, PSTN, and screen pop. 2. A voice telephone system feature that supports the CLID network service and offers a similar capability for station-to-station PBX calls. See also CLASS.

• CPU (Central Processing Unit)
• cracker
• CRC (Cyclic Redundancy Check)
• CRC (Cyclic Redundancy Check)
• critical angle
• critical angle
• crossbar
• cross-connect
• crossreed
• cross-talk
• crosstalk (XT)
• CRTC (Canadian Radio-television and Telecommunications Commission)
• cryptography
• cryptology
• crystal oscillator (XO)
• CSA (Carrier Serving Area)
• CS-ACELP (Conjugate Structure-Algebraic Code Excited Linear Prediction)
• CSA International
• CS (Convergence Sublayer)
• CSD (Circuit-Switched Data)
• CSLIP (Compressed Serial Line Internet Protocol)
• CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance)
• CSMA (Carrier Sense Multiple Access)
• CSMA (Carrier Sense Multiple Access)
• CSMA (Carrier Sense Multiple Access)