NEC Univerge SV8100 Features And Specifications Manual page 1160

Issue 11.0
Operation
To send Off-Hook signals to an extension busy on a call:
 Your extension may send off-hook signals automatically.
1. Dial 7.
- OR -
Press Off-Hook Signaling key (Program 15-07 or SC 751: 33).
You hear ringback.

To have your call voice-announce, dial 1.

Receiving Off-Hook Signaling on a single line telephone while engaged on an internal or external
call:
1. When Off-Hook Signaling is heard in the receiver, press the Flash Key to answer the call. The first
call is placed on hold.
2. Press the Flash Key again to toggle between the two calls.
If the single line phone hangs up with the active call, the other call on hold rings back to the single line.

2 - 1128
UNIVERGE SV8100
Off-Hook Signaling