Cisco Systems IP phone 7960 manual Local exchange carrier

Glossary

I

IVR

Integrated voice response. When someone dials in, IVR responds with a prompt to get a personal identification number (PIN), and so on.

L

LEC

Local exchange carrier.

Location Server

A SIP redirect or proxy server uses a a location service to get information about a caller’s location(s). Location services are offered by location servers.

M

MF

Multi-frequency tones are made of six frequencies that provide 15 two frequency combinations for indication digits 0-9 and KP/ST signals.

multicast

A process of transmitting PDUs from one source to many destinations. The actual mechanism (that is, IP multicast, multi-unicast, and so forth) for this process might be different for LAN technologies.

multipoint-unicast

A process of transferring PDUs (Protocol Data Units) where an endpoint sends more than one copy of a media stream to different endpoints. This can be necessary in networks which do not support multicast.

N

node

A H.323 entity that uses RAS to communicate with the gatekeeper, for example, an endpoint such as a terminal, proxy, or gateway.

Cisco SIP IP Phone 7960 Administrator Guide

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