Cisco Systems IP phone 7960 manual 164

Glossary

E

E.164

The international public telecommunications numbering plan. A standard set by ITU-T which addresses telephone numbers.

E&M

Ear and mouth RBS signaling.

endpoint

A SIP terminal or gateway. An endpoint can call and be called. It generates and/or terminates the information stream.

G

gateway

A gateway allows SIP or H.323 terminals to communicate with terminals configured to other protocols by converting protocols. A gateway is the point where a circuit-switched call is encoded and repackaged into IP packets.

H

H.323

An International Telecommunication Union (ITU-T) standard that describes packet-based video, audio, and data conferencing. H.323 is an umbrella standard that describes the architecture of the conferencing system and refers to a set of other standards (H.245, H.225.0, and Q.931) to describe its actual protocol.

H.323 RAS

Registration, admission, and status. The RAS signaling function performs registration, admissions, bandwidth changes, status and disengage procedures between the VoIP gateway and the gatekeeper.

Cisco SIP IP Phone 7960 Administrator Guide

78-10497-02 3