AT&T MERLIN LEGEND Communications System PBX System Planning Manual page 112

Features
Queued Call Console
Hold Return
Automatic Hold or Release
Use these instructions only if the system has one or more QCCs.
The following are QCC operator features:
Hold Return
Automatic Hold or Release
Queue Over Threshold
Elevate Priority
Calls-in-Queue Alert
Message Center Operation
Automatic or Manual Extended Call Completion
Return Ring
Position Busy Backup
Operator Hold Timer
Call Types
Mark the QCC operator features in the "Queued Call Console" section of
PBX System Form 6a.
Hold Return determines whether calls put on hold by a QCC operator stay on
hold indefinitely or are returned to the QCC queue after the Hold Timer has
expired twice. The factory setting is that calls stay on hold.
Planning Form Instructions
Under the "Hold Return" heading on Form 6a, do one of the following:
Check "Remin on hold" to show that calls stay on hold after the hold
timer has expired twice.
Check "Return to queue" to show that calls on hold return to the QCC
queue after the hold timer has expired twice.
Automatic Hold or Release determines whether a call that is in progress on a
Call button is automatically put on hold (Automatic Hold) or disconnected
(Automatic Release) when the operator presses another Call button. The factory
setting is Automatic Release.
Planning Form Instructions
Under "Automatic Hold or Release" on Form 6a, do one of the following:
Check "Automatic Release" to specify that calls are automatically
disconnected.
Check "Automatic Hold" to specify that calls are automatically put on hold
when another Call button is pressed.
Operator Features 4-7