Cisco Systems IP phone 7960 manual Call switching module

Glossary

CPE

Customer premises equipment. Terminating equipment, such as terminals, telephones, and modems, supplied by the telephone company, installed at the customer sites, and connected to the telephone company network.

CSM

Call switching module.

D

dial peer

An addressable call endpoint. In Voice over IP (V0IP), there are two types of dial peers: POTS and VoIP.

DNS

Domain name system used to address translation to convert H.323 IDs, URLs, or e-mail IDs to IP addresses. DNS is also used to assist in the locating remote gatekeepers and to reverse-map raw IP addresses to host names of administrative domains.

DNIS

Dialed number identification service (the called number).

DSP

Digital signal processor.

DTMF

Dual tone multi-frequency.

Cisco SIP IP Phone 7960 Administrator Guide

2 78-10497-02