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Lucent Technologies MERLIN LEGEND 5 User Manual

Page 167

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MERLIN LEGEND Communications System Release 5.0
System Manager’s Guide

555-650-118

Issue 1

June 1997

Features and Applications

Page 4-51

Features

4

operator position but not included in a Night Service group, Night Service does not
affect it. The following types of lines can be assigned to a Night Service group:

Analog ground-start and loop-start lines/trunks as well as digital T1 voice
operation lines that emulate these types

ISDN digital PRI lines that are routed by line appearance

Digital NI-1 BRI lines

Automatic incoming tie trunks

The following types of lines cannot be assigned to a Night Service group:

DID (Direct Inward Dial)

ISDN digital PRI routed by dial plan

Tie trunks directed to an extension (dial-in tie trunks)

Lines whose ports are programmed for Loudspeaker Paging, Alarm, or
Music on Hold

For information about how Night Service works with coverage, see

‘‘Covering

Calls’’ on page 4-32

; to learn more about Night Service and calling restrictions,

see

‘‘Night Service with Outward Restriction’’ on page 4-44

.