NEC Univerge SV8100 Features And Specifications Manual page 706

Issue 8.01
Conditions
The called extension must lift the handset or press Speaker 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 use only Exclusive Hold or 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.
For a station to retrieve a held ICM call, the station must have an ICM key assigned in

Program 15-07 (
Default Setting
Enabled
System Availability
Terminals
All Terminals
Required Component(s)
None
Related Features
Music on Hold
Programmable Function Keys
Single Line Telephones, Analog 500/2500 Sets
2 - 678
00).

UNIVERGE SV8100
Hold