NEC Univerge SV8100 Features And Specifications Manual page 596

Issue 1.0
Conditions
The called extension must lift the handset or press the Speaker key before the call can be
placed on hold.
Callers on Hold hear Music on Hold, if programmed.
An extension can have function keys for System Hold and Exclusive Hold.
Analog single line telephones can only use Exclusive Hold and Group Hold.
If station A calls station B, and station A puts station B on hold and then calls station C,
station C cannot transfer the call.
In order for a station to retrieve a held ICM call, the station must have an ICM key assigned
in 15-07 ( 00).
Default Setting
Enabled
System Availability
Terminals
All Terminals
Required Component(s)
None
Related Features
Music on Hold
Programmable Function Keys
Single Line Telephones
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UNIVERGE SV8100
Hold