Dictionary

This dictionary has been set up to help you better understand the technical "lingo" associated with voice and data communication. Simply click on a letter below to find a particular word.

LAN
Local Area Network, a geographically-limited data communications system for a specific user group. A LAN consists of a group of interconnected computers which share applications, data, and peripheral devices such as printers and CD-ROM drives for the local transport of data, video and voice.Last Number Redial Redials the last outside number dialed (up to 28 characters).

Leased Line
A phone line that is rented for exclusive 24-hour, 7-days-a-week use from your location to another location. The highest speed data connections (e.g. T-1, DSL) require a leased line.

Line
The transmission path between your control unit and the local telephone company's Central Office, used for incoming and outgoing calls.

Line Access Restriction
Restrict an extension from making or receiving calls on a specific line.

Line Reserve
A system feature that lets you reserve a busy line or pool so that your phone beeps when that line or pool becomes free.

Live Call Screening
This voice messaging feature lets you hear the message being left in your voice mailbox. If you choose to speak with the person leaving the message, you can press a button or simply pick up your handset.

Local Loop
The copper lines which run between a customer's premises and a telephone company's Central Office.