Lucent Technologies 5 manual See ‘Night‘ Service with Outward Restriction’’ on

MERLIN LEGEND Communications System Release 5.0	Issue 1
System Manager’s Guide 555-650-118	June 1997

4Features and Applications

Features Page 4-51

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.