AT&T MERLIN LEGEND Release 3.0 Programming Summary Manual page 430

General System Programming Sequence
Telephones
Many programmers prefer to program Auxiliary Equipment before
programming Telephones.
Assign trunks to telephones
Extensions
Copy trunk assignments
Extensions
Identify Principal User for Personal Line
LinesTrunks
Assign ring, voice, outgoing only, shared buttons
More
Copy telephone button assignments
More
Identify analog multiline telephones with BIS or HFAI
Extensions
Identify analog multiline telephones requiring Voice Announce to
Busy
Extensions
Auxiliary Equipment
Program Music on Hold
AuxEquip
Program loudspeaker paging
AuxEquip
G-4 Programming Summary
LinesTrunks
Line Copy
More
PrncipalUsr
Cntr-Prg
Cntr-Prg
BIS/HFAI
VoiceSingl
MusicOnHold
Ldspkr Pg