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Appendix C: Glossary and Acronyms
CLEC Competitive Local Exchange Carrier
A term for telephone companies established after the
Telecommunications Act of 1996 deregulated the LECs. CLECs compete
with ILECs to offer local service. See also LEC and ILEC.
CO Central Office
The CO houses local switching equipment. All local access lines in a
particular geographic area terminate at this facility (which is usually
owned and operated by an ILEC).
CPE Customer Premises Equipment
Terminal equipment which is connected to the telecommunications
network and which resides within the home or office of the customer. This
includes telephones, modems, terminals, routers, and television set-top
boxes.
DAHDI Digium Asterisk Hardware Device Interface
A telephony project dedicated to implementing a reasonable and
affordable computer telephony platform into the world marketplace. In
addition, the collective name for the Digium-provided drivers for Digium
telephony interface products.
DS0 Digital Signal, Level 0
A voice grade channel of 64 kbps. The worldwide standard speed for
digitizing voice conversation using PCM (Pulse Code Modulation).
Digium, Inc. Page 91