DBS-2.3/9.2-700 DBS Manual - Revised April 2000 Page 3-1Chapter 3. System FeaturesThis chapter contains detailed descriptions of DBS System Features. SystemFeatures are either available on a system-wide basis or aid in the overalladministration of the DBS.Please see the Appendices in the back of this manual for additional features.This chapter covers the following topics:Topic PageAccount Codes 3-3Answer Supervision for Voice Mail 3-6Auto Day Mode 3-7Auto Set Relocation 3-9Background Music 3-11Battery Backup 3-12Call Forward ID Code for Voice Mail 3-13Caller ID 3-14Caller ID Auto DISA 3-15Centrex/PBX Compatibility 3-16Direct Inward Dialing (DID) 3-16DID/DNIS Flexible Ring Assignments 3-18DID/DNIS Text Name Assignment 3-19DID/DNIS to a Voice Mailbox 3-20Direct Inward System Access (DISA) 3-22Direct Trunk Access 3-24Distinctive Ringing 3-24Door Box (Using Extension Adaptor) 3-25Door Box (Using Trunk Adaptor) 3-27DP/DTMF Stations 3-29DP to DTMF Signal Conversion 3-29Hunting Priority for VAUs 3-30Independent Timers 3-32Internal Hold Tone 3-32Least Cost Routing (LCR) 3-33Music-on-Hold 3-34Night Service 3-35