Line Or Trunk Idle; Extension Forced Idle - AT&T MERLIN LEGEND Release 2.0 System Programming And Maintenance Manual

System Programming and Maintenance (SPM)
renumber system
identify telephones with voice signal pairs for Voice Announce to Busy
feature
identify telephones
restore system programming information
identify Music-on-Hold jack
When the system is forced idle, all multiline telephone users hear a reminder
tone, indicating that the telephone cannot be used. On a display telephone,
the message Wait:
get a dial tone.

Line or Trunk Idle

The following procedures can be done only when the line or trunk being
programmed is idle. Since these procedure require the line or trunk to be idle
only at the instant of programming, the line or trunk is not forced idle as
described above.
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

Extension Forced Idle

When a telephone or data terminal is forced idle, no calls can be made or
received on that telephone or data terminal. The following procedures can be
started only when the telephone or data terminal being programmed is idle.
assign call restrictions
assign pool dial-out restrictions
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General Programming Information
System Busy appears. Single-line telephones do not