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ICX-50-700 ICX (International) issued October 2000 21
Chapter 3. System Features
System Features are either available on a system-wide basis or aid in the overall administration of the
System.
This chapter contains detailed descriptions of the following System Features:
Topic Page
AEC Disconnect 24
Attendant Groups 24
Automatic Call Distributor 25
Automatic Route Selection 26
Automatic Trunk to Trunk Transfer 27
Background Music/MOH Separation 27
Battery Backup 27
Building Block Expansion Capability 28
Built-In Voice Mail 28
Call Progress Tones 29
Caller ID 29
Caller ID Alpha Tagging 30
Centrex/PBX Compatibility 31
Class of Service 31
Class of Service - Trunk/Tie 32
Class of Service - Ext/Ext Restriction 32
Class of Service - Extension Feature 33
Class of Service - Trunk to Trunk Restriction 35
Class of Service - Extension (Station) Timers 35
Data Security 36
Daylight Saving Time (Summer Time) (Summer Time) 36
Day/Night System Mode 36
Manual Day/Night Mode 37
Automatic Day/Night Mode 40
Digital Pad 40
Direct Inward System Access 41
Distinctive Ringing 42
Doorphone 42
Doorphone Sensor 43
Extension Interface 43
Digital Key Telephones 43
Analog Device Capability 44