Appendix A
Quick Reference Guide
This quick reference guide provides you with a list of the feature
dialing codes used on the Impact digital telephone system.
Feature
To Turn On
To Turn Off
Account Code
Programmed Button, or
INTERCOM
✳
04
Assist
Programmed Button
Attendant
INTERCOM 0
Automatic Callback
INTERCOM Ext.
✳
6
INTERCOM
# 6
Background Music
INTERCOM
✳
1
INTERCOM # 1
Call Forwarding:
All Calls
Personal Calls
CFOS (DSU II)
INTERCOM
✳
5
INTERCOM
✳
05
INTERCOM
✳
07
INTERCOM # 5
INTERCOM # 05
INTERCOM # 07
Call Pickup:
Directed
Group
INTERCOM
✳
4 plus
Ringing Ext.
INTERCOM # 4
INTERCOM
Call Park
INTERCOM
✳
(91–99)
#91–99 to retrieve
Call Waiting
INTERCOM EXT.
✳
01
Hang Up
Directed Hold
INTERCOM
✳
90, Ext.
INTERCOM # 90
Executive Override
INTERCOM Ext.
✳
03
Hookflash Code
INTERCOM # 04
LCD Messaging
INTERCOM
✳
02, 0–9,
SPKR
INTERCOM # 02
A
GCA70–245
Quick Reference Guide
Quick Reference – 1
Summary of Contents for DSU and DSU II
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