User's Manual

DEFINITY Enterprise Communications Server Release 8.2
Overview
555-233-002
Issue 1
April 2000
System Management Features
81
Trunk Management
necessary to put several ISDN-PRI narrowband channels into one wideband channel to
accommodate the needs of these applications. This feature supports both European and
North American standards.
Multiple Subscriber Number (MSN) - Limited
The ISDN standard MSN feature lets customers assign multiple extension to a single BRI
endpoint. The MSN feature works with BRI endpoints that allow the Channel ID IE to be
encoded as “preferred.”
Automatic TEI (Termination Endpoint Identifier)
The user side will support automatic TEI assignment by the network. Both fixed and
automatic TEI assignment will be supported on the network side.
ATM-CES Trunks
ATM-CES (Circuit-Emulation Service) lets the DEFINITY ECS emulate an ISDN-PRI
trunk on an ATM facility.
ATM Trunks
Support telephony and Wide-Area Network (WAN) connectivity over ATM networks.
Personal Central Office Line (PCOL)
Provides a dedicated trunk circuit between multi-appearance voice terminals and a CO or
other switch via the network.
ISDN Presentation Restriction
Replaces "Presentation Restricted" or "Unavailable" Calling/Connected number with an
administered text for display. The administration options can be controlled on a
per-ISDN-Trunk-Group basis.
ISDN Feature Plus
Enables those without DID to direct dial users on a remote PBX via the public network.
ISDN Feature Plus eliminates the need for Attendant intervention for those without DID
capabilities.
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