AT&T MERLIN LEGEND Release 4.0 Feature Reference page 385

Feature Reference
Headset Options
Hold
Line Request
Multi-Function
Module
Music On Hold
Pickup
SMDR
System Access/
Intercom Buttons
System Numbering
Transfer
If a call is parked, another call can be automatically answered by using
Headset Auto Answer.
If a single-line telephone user with a call on hold hangs up, the call is
disconnected. Park should be used instead of Hold.
When a user or system operator parks a call received on a personal line
button and it is picked up using the Pickup feature at another telephone
and then put on hold by using the Hold button, other users who share
the personal line cannot press the line button and pick up the call.
A returning parked call cancels Line Request.
A user at a Multi-Function Module (MFM) cannot park a call but can pick
up a call parked by another user.
If Music On Hold is programmed, a parked caller hears Music On Hold.
A parked call can be picked up by using Individual Pickup.
If an incoming call is parked but not picked up by the other extension,
the extension of the user who activated Park is shown in the STN field of
the SMDR record for the call. If an incoming call is parked and picked
up by the destination extension, the destination extension is shown in
the STN field of the SMDR report.
When a user parks a call made or received on an SA button, Shared
SA buttons do not ring when the parked call returns.
System operator park zones (the factory-set zones are 881–888) can be
renumbered.
A user can also park calls by pressing the Transfer button, dialing his
or her own extension, and pressing the Transfer button again. DLC
operators can press Transfer and dial an operator park zone. When
this method is used, complete the transfer by pressing the Transfer
button or by hanging up. This method cannot be used by QCC
operators.
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Park