Glossary
142 ◆ Section 5: Glossary DS1000/2000 Product Description
Extension Hunting
An internal system call routing facility that allows calls to route to a pre-
defined group of hunt group member extensions. There are three types of
extension hunting: Circular Hunting, Terminal Hunting, and Uniform
Call Distribution (UCD) Hunting.
Reference: Extension Hunting on page 61.
Extension Locking
To prevent unauthorized access, a keyset user can secure their phone
when they leave the office.
Reference: Extension Locking on page 63.
Extension Ringdown
See Ringdown Extension on page 150 in this glossary.
External Paging
See Paging on page 148 in this glossary.
Exclusive Hold
A type of Hold for outside (trunk) calls that allows only the extension
that initially placed the call on Hold to retrieve it from Hold. See also
Automatic Hold on page 136, Intercom Hold on page 144, and System
Hold on page 151 in this glossary.
Reference: Hold on page 69.
Fixed Loop Keys
See Loop Keys on page 146 in this glossary.
Flash
Allows an extension user to access certain CO and PBX features by
interrupting (flashing) trunk loop current. Flash only has an effect if the
additional features are provided by the CO or PBX.
Reference: Flash on page 63.
Flexible Number Plan
Enables the system programmer to change the digits users dial to reach
the attendant, other co-workers, and outside lines (trunks).
Reference: Flexible Numbering Plan on page 64.
Forced Account Codes
An extension user must enter an Account Code each time they place a
trunk call.
Reference: Account Codes on page 27.