NEC Univerge SV8100 Features And Specifications Manual page 206

Issue 12.0
When the following are done in sequence,

Call Forwarding Busy is set to extension

Call Forwarding Immediate is set on extension

Call Forwarding Immediate is cancelled on extension

then,
Call Forwarding Busy/No Answer is set back on the extension.
The @ and P characters are not supported in the call forward destination. These

characters are only supported on a one touch/DSS key and in speed dial bins.
If the terminal is configured for Call Forward Both Ring and DND is activated, the calling

station will receive a busy tone. Call Forward Both Ring is not followed.
With Version 8000 or higher software, if Program 20-11-30 is set to 0 (Off), the Call FWD

setting is displayed on the terminal LCD screen when idle.
Default Setting
Enabled
System Availability
Terminals
All Terminals and Virtual Extensions
Required Component(s)
None
Related Features
Call Forwarding, Off-Premise
Call Forwarding with Follow Me
Call Forwarding/Do Not Disturb Override
Central Office Calls, Answering
2 - 176
UNIVERGE SV8100
Call Forwarding