Lucent Technologies MERLIN LEGEND 5 - Manual (Page 23)

MERLIN LEGEND Communications System Release 5.0
System Manager’s Guide
555-650-118
Issue 1
June 1997
Prior Releases: Features and Enhancements
Page xxiii Release 4.0 Enhancements
Default for the Default Local Table 0
The default Automatic Route Selection (ARS, Hybrid/PBX mode only) FRL has
changed to 2 for the Default Local table. System managers can easily change an
extension default of 3 to 2 or lower in order to restrict calling. No adjustment to the
route FRL is required.
New Maintenance Procedure for
Testing Outgoing Trunks
0
Technicians must enter a password in order to perform trunk tests.
SECURITY l ALERT:
!
The enhancements in Release 3.1 help increase the security of the MERLIN
LEGEND System. To fully utilize these security enhancements, be sure to
read and understand the information in these upgrade notes and in the
relevant system guides.
Release 4.0 Enhancements 0
Release 4.0 includes all Release 3.1 functionality, plus the enhancements listed
below.
Support for Up to 200 Extensions 0
An expanded dial plan supports up to 200 tip/ring devices.
Support for National ISDN BRI Service 0
This service (Hybrid/PBX and Key modes) provides a low-cost 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.
New Control Unit Modules 0
Release 4.0 supports a new NI-BRI line/trunk module and a higher-capacity
tip/ring module.
800 NI-BRI Module 0
This new module connects NI-BRI trunks to the MERLIN LEGEND system for
high-speed data and video transmission.