Technical information

Glossary
GL-6 Issue 7 June 2001
Feature Access Code
A code used to access a feature, such as ARS, Data Origination, Priority Calling and Call Pickup.
Foreign Exchange
A Central Office other than the one providing local access to the public telephone network.
Foreign Numbering-Plan Area Code
An area code other than the local area code. The FNPAC must be dialed to call outside the local
geographic area.
Fully Restricted
A feature that denies outgoing calls, including dial access to trunks, and allows no incoming calls
from Public Network trunks.
G
G3-MA
Generic 3 Management Application
G3-MT
Generic 3 Management Terminal
H
Hacker
A criminal who attempts to penetrate PBX systems to gain unauthorized access to their features.
I
ICC
Interexchange Carrier Code
INADS
Initialization and Administration System
INPA
Improved Numbering Plan Address
IXC
Interexchange Carrier
Intercept Tone
An alternating high and low tone; indicates a dialing error or denial of the service requested.
Invalid Attempt
A single invalid Remote Access (barrier code), authorization code, or login access attempt.