576-13-700 DBS 576 (USA), Revised 6/11/98 19
Chapter 3. System Features

System Features are either available on a system-wide basis or a id in the overall administration of the

System.

This chapter contains detailed descriptions of the following System Features:

Topic Page
AEC Disconnect 22
Attendant Groups 22
Attendant Groups 22
Automatic Call Dis tr i but or 23
Automatic Route S election 24
Automatic Trunk to Trunk Transfer 25
Background Music/MOH Separation 25
Battery Backup 25
Building Block Expansion Capability 26
Built-In Voice Processing Unit 26
Call Progress Tones 27
Caller ID 28
Centrex/PBX Compatibility 28
Class of Service 29
Class of Service - Trunk/Tie 29
Class of Service - Ext/Ext Restriction 30
Class of Service - Extension Feature 30
Class of Service - Trunk to Trunk Restriction 32
CO Ringing Types 32
Direct Inward Dial Ringing 32
Direct In Line Ringing 33
Direct Inward System Access Ringing 33
Multiple Ringing 34
CO Trunk Interface 34
CO Trunk Interface - DID 34
CO Trunk Interface - Ground Start 35
CO Trunk Interface - ISDN BRI 35
CO Trunk Interface - ISDN-PRI 35
CO Trunk Interface - Loop Start 36
Computer Telephony Integration Capability 36
Data Security 37