AT&T MERLIN LEGEND Release 4.0 Feature Reference page 392

Feature Reference
Hold
Multi-Function
Module
Music On Hold
Night Service
Paging
Pools
Privacy
System Access/
Intercom Buttons
392
Personal Lines
If a call is received on a personal line and is transferred to another user
who receives the call on an SA or ICOM button and puts the call on
hold, users who share the line cannot select the personal line button
and pick up the call. If the person who received the transfer and put the
call on hold cannot return to the call, another user must use the Pickup
feature to enter the line number and pick up the call.
In Release 2.1 and later, a call that has been put on hold at a Cover,
SA, Shared SA, or Pool button can be picked up by a user who has a
personal line button for the call. When the call is picked up, the green
light next to the personal line lights steady; however, the call remains on
hold at the Cover, SA, Shared SA or Pool button. The user who picked
up on the personal line cannot transfer the call that has been picked up.
In order to transfer a call on hold at a Cover, SA, Shared SA, or Pool
button, use Pickup instead of picking up on a personal line button.
If an MFM device is used to answer calls or provide supplementary ringing
for its associated MLX telephone, any personal lines removed from the
telephone should also be removed from the MFM. When the device
connected to an MFM requires a personal line to make and/or receive calls
(a modem or fax, for example) a personal line should be assigned.
A trunk used for Music On Hold cannot be assigned as a personal line.
If the voice mail calling group is assigned as a member of a Night
Service group, incoming lines receive Automated Attendant treatment.
When a call is answered by the Night Service group, ringing does not
occur at a telephone with that personal line and the Night Service
coverage is used instead of the principal user's coverage.
A trunk used for loudspeaker paging equipment cannot be assigned as
a personal line.
A personal line cannot be assigned to a pool.
When an individual personal line is assigned to more than one
telephone, a user with the personal line cannot join an in-progress call
on which Privacy has been activated.
When a call on a personal line button is transferred to another user, the call
rings on an SA or ICOM button. The LED next to the personal line flashes
rapidly to indicate that the call is on hold for transfer. If the call is answered
at an SA or ICOM button, the LED next to the personal line turns on steadily.
If a user shares the personal line appearance and answers the call by using
the personal line button, the call is removed from the SA or ICOM button.