System Forced Idle; Line Or Trunk Idle - AT&T MERLIN LEGEND Release 3.0 System Programming And Maintenance Manual

System Programming

System Forced Idle

When the entire system is forced idle, no calls can be made or received. The .
procedures listed below can be performed only when the entire system (every '
line and every extension) is idle:
Select system mode.
Identify system operator positions.
Renumber boards.
Renumber system.
Identify telephones with voice signal pairs for the Voice Announce to
Busy feature.
Identify telephones that need the Simultaneous Voice and Data
feature.
Restore system programming information.
Identify the Music On Hold jack.
When the system is forced idle, the following occurs: multiline telephone users
hear a reminder tone that indicates the telephone cannot be used; display
telephone users see the message
users do not hear a dial tone.

Line or Trunk Idle

Since these procedures require the line or trunk to be idle only at the instant of
programming, the line or trunk is not forced idle. The following procedures
can be performed only when the line or trunk being programmed is idle:
Identify loudspeaker paging line jack.
Assign trunks to pools.
Specify incoming or outgoing DID-or tie-trunk type.
Specify tie-trunk direction.
Specify tie-trunk E&M signal.
58 System Programming and Maintenance (SPM)
Wait: System Busy; single-line telephone