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MERLIN LEGEND Communications System Release 6.1
Installation
555-661-140
Issue 1
August 1998
Prior Releases Features and Enhancements
Page xlvi
Release 4.0 Enhancements (March, 1996)
Maintenance Testing for BRI Facilities that Are
Part of Multiline Hunt Groups (MLHGs)
Beginning with Release 4.1, the NI-1 BRI (National Integrated Services Digital
Network-1 Basic Rate Interface) Provisioning Test Tool is enhanced to include
testing for BRI facilities that are part of Multiline Hunt Groups (MLHGs).
The NI-1 BRI Provisioning Test Tool is used by Lucent Technologies
maintenance personnel on MERLIN LEGEND Communications Systems that
include a 800 NI-BRI module. Technicians use the tool during system
installation and maintenance to test the functionality of the BRI lines and to
report analyzed results.
Release 4.0 Enhancements (March,
1996)
Release 4.0 includes all Release 3.1 functionality, plus the enhancements listed
below.
Support for Up to 200 Extensions
An expanded dial plan supports up to 200 tip/ring devices.
Support for National ISDN BRI Service
This service (Hybrid/PBX and Key modes) provides an alternative to loop-start
and ground-start lines/trunks for voice and digital data connectivity to the central
office. Each of the two B-channels (
bearer channels
) on a BRI line can carry
one voice and one data call at any given time. The data speeds on a B-channel
are up to 28.8 kbps for analog data and up to 64 kbps for digital data, which is
necessary for videoconferencing and other high-speed applications. Release
4.0 supports the IOC Package “S” (basic call handling) service configuration
and Multiline Hunt service configuration on designated CO switches.