Glossary and Abbreviations
Integrated Services Digital Network (ISDN)
A public or private network that provides
Integrated Services Digital Network Basic Rate Interface
The interface between a communications system and terminal that includes two
Integrated Services Digital Network Primary Rate Interface
The interface between multiple communications systems that in North America includes 24
intercept tone
A tone that indicates a dialing error or denial of the service requested.
interface
A common boundary between two systems or pieces of equipment.
internal call
A connection between two users within a system.
International Telecommunications Union (ITU)
Formerly known as International Telegraph and Telephone Consultative Committee (CCITT), ITU is an international organization that sets universal standards for data communications, including ISDN. ITU members are from telecommunications companies and organizations around the world. See alsoBX.25.
International Telegraph and Telephone Consultative Committee
See International Telecommunications Union (ITU).
interflow
The ability for calls to forward to other splits on the same PBX or a different PBX using the Call Forward All Calls feature.
intraflow
The ability for calls to redirect to other splits on the same PBX on a conditional or unconditional basis using call coverage busy, don’t answer, or all criteria.
internal measurements
BCMS measurements that are made by the system. ACD measurements that are made external to the system (via External CMS) are referred to as external measurements.
Issue 5 January 1998 |
