anonymous call rejection (ACR)

analogous to the waveform of the native acoustic voice signal.The movement of the hour hand of an analog watch or clock is analogous to the movement of the shadow cast by a sundial.

• DACS (Digital Access Cross-connect System)
• daemon
• daisy chain
• DAMA (Demand Assigned Multiple Access)
• DAMA (Demand Assigned Multiple Access)
• D-AMPS (Digital Advanced Mobile Phone Service)
• dark fiber
• DARPA (Defense Advanced Research Projects Agency)
• DARPA Internet
• DARPANET (Defense Advanced Research Projects Agency Network)
• DAS (Dual Attached Station)
• dash
• data
• Data
• database
• data circuit terminating equipment (DCTE or DCE)
• data communications equipment (DCE)
• data compression
• Data Encryption Standard (DES)
• Data Exchange Interface (DXI)
• data field
• data file
• data format
• datagram
• datagram