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 INTERCOM ✳ 04
Assist
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 ✳ 4plus
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,
SPEAKER
INTERCOM # 02
Line Group 1
Line Group 2
Line Group 3
Line Group 4
INTERCOM 9
INTERCOM 81
INTERCOM 82
INTERCOM 83
Line Group Queue
INTERCOM (grp. code)
✳ 8
INTERCOM # 8
Message Waiting INTERCOM ✳ 3 Ext.
INTERCOM # 3
Ext.
A
GCA70–246 Quick Reference Guide
Quick Reference – 1