Section 700 - Operation Index576-20-700 DBS 576 (USA), issued January 1999 349Call TransferDSLT 240Key Telephone 144SLT 288Camp-on (Call Waiting)AutomaticDSLT 241Key Telephone 150SLT 289DSLT 241Key Telephone 149ManualDSLT 241Key Telephone 150SLT 289SLT 289Centrex/PBX Compatibility 29Changing Display ContrastDisplay Information 159Circular Hunt Group 50CIT Capability 38Class of ServiceWalking TRS 213Class of Service - Ext/Ext Restriction 31Class of Service - Extension (Station) Timers 33Class of Service - Extension Feature 31Class of Service - Trunk to Trunk Restriction 33Class of Service - Trunk/Tie 30Class of Service (COS) 30CO Line Key Trunk Access 205CO Ringing ModeAlarm Ringing 66BLF Ringing 65Day Ringing 63Delayed Ringing 64Slide Ringing 65CO Ringing Types 34DID Ringing 34DIL 35DISA 35Multiple Ringing 36CO Trunk Interface 36CO Trunk Interface - DID 36CO Trunk Interface - ISDN PRI 37CO Trunk Interface - Loop Start 38CompatibilityCentrex/PBX 29Computer Telephony Integration (CTI) Capability 38Conference CallsBusy OverrideDSLT 224Key Telephone 127SLT 273Key Telephone 152, 154SLT 292Three-PartyKey Telephone 152, 242, 291ConnectionTandem 60ConsoleDSS/72 162EM/24 162Customizing Tool 62DData Security 39DateSetting 79DaySetting 79Day ModeAutomatic 42Day, Day 2 39Manual 40Day of Week ModeSetting 106Day Ringing 63Day/Night ModeAutomatic 42Manual 40Day/Night System Mode 39Delayed Ringing 64DevicesProgramming 62DialingOnhookDSLT 250Key Telephone 188Dialing Analysis 314, 316Dialing Restriction During Inbound Calls 314DID Trunk Interface 36Digit Modify Table 317Digital Key TelephonesExtension Interface 46Digital Pad 43Digital Pad Class 43Direct In Line RingingCO Ringing Types 35Direct Inward Dial RingingCO Ringing Types 34Direct Inward System Access (DISA) 43Direct Inward System Access (DISA) RingingCO Ringing Types 35Direct Line Appearances 177Direct Trunk AccessDSLT 262