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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:
AEC Disconnect
Attendant Groups
Attendant Groups
Automatic Call Distributor
Automatic Route Selection
Automatic Trunk to Trunk Transfer
Background Music/MOH Separation
Battery Backup
Building Block Expansion Capability
Built-In Voice Processing Unit
Call Progress Tones
Caller ID
Centrex/PBX Compatibility
Class of Service
Class of Service - Trunk/Tie
Class of Service - Ext/Ext Restriction
Class of Service - Extension Feature
Class of Service - Trunk to Trunk Restriction
CO Ringing Types
Direct Inward Dial Ringing
Direct In Line Ringing
Direct Inward System Access Ringing
Multiple Ringing
CO Trunk Interface
CO Trunk Interface - DID
CO Trunk Interface - Ground Start
CO Trunk Interface - ISDN BRI
CO Trunk Interface - ISDN-PRI
CO Trunk Interface - Loop Start
Computer Telephony Integration Capability
Data Security
576-13-700
Topic
DBS 576 (USA), Revised 6/11/98
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