Table of Contents1 Call Handling Features ..........................................................................151.1 Incoming Call Features ...................................................................................................161.1.1 Incoming Trunk Call Features ........................................................................................161.1.1.1 Incoming Trunk Call Features—SUMMARY ...............................................................161.1.1.2 Direct In Line (DIL) ......................................................................................................201.1.1.3 Direct Inward Dialling (DID)/Direct Dialling In (DDI) ....................................................221.1.1.4 Multiple Subscriber Number (MSN) Ringing Service ...................................................251.1.1.5 Calling Line Identification (CLI) Distribution .................................................................281.1.1.6 Intercept Routing .........................................................................................................301.1.1.7 Intercept Routing—No Destination ..............................................................................351.1.2 Internal Call Features .....................................................................................................361.1.2.1 Internal Call Features—SUMMARY ............................................................................361.1.2.2 Internal Call Block ........................................................................................................381.1.3 Incoming Call Indication Features ..................................................................................401.1.3.1 Incoming Call Indication Features—SUMMARY .........................................................401.1.3.2 Ring Tone Pattern Selection ........................................................................................411.1.3.3 Call Waiting .................................................................................................................431.2 Receiving Group Features .............................................................................................451.2.1 Idle Extension Hunting ...................................................................................................451.2.2 Incoming Call Distribution Group Features ....................................................................471.2.2.1 Incoming Call Distribution Group Features—SUMMARY ............................................471.2.2.2 Group Call Distribution ................................................................................................511.2.2.3 Outside Destinations in Incoming Call Distribution Group ...........................................551.2.2.4 Queuing Feature ..........................................................................................................571.2.2.5 VIP Call ........................................................................................................................601.2.2.6 Overflow Feature .........................................................................................................611.2.2.7 Log-in/Log-out .............................................................................................................631.2.2.8 Supervisory Feature ....................................................................................................661.3 Call Forwarding (FWD)/Do Not Disturb (DND) Features ..............................................681.3.1 Call Forwarding (FWD)/Do Not Disturb (DND) ...............................................................681.3.1.1 Call Forwarding (FWD)/Do Not Disturb (DND)—SUMMARY ......................................681.3.1.2 Call Forwarding (FWD) ................................................................................................691.3.1.3 Do Not Disturb (DND) ..................................................................................................731.3.1.4 FWD/DND Button, Group FWD Button ........................................................................751.4 Answering Features ........................................................................................................781.4.1 Answering Features .......................................................................................................781.4.1.1 Answering Features—SUMMARY ...............................................................................781.4.1.2 Line Preference—Incoming .........................................................................................791.4.1.3 Call Pickup ...................................................................................................................801.4.1.4 Hands-free Answerback ..............................................................................................821.5 Making Call Features ......................................................................................................841.5.1 Predialling .......................................................................................................................841.5.2 Automatic Extension Release ........................................................................................851.5.3 Intercom Call ..................................................................................................................861.5.4 Trunk Call Features ........................................................................................................881.5.4.1 Trunk Call Features—SUMMARY ...............................................................................881.5.4.2 Emergency Call ...........................................................................................................891.5.4.3 Account Code Entry .....................................................................................................901.5.4.4 Dial Type Selection ......................................................................................................921.5.4.5 Reverse Circuit ............................................................................................................941.5.4.6 Trunk Busy Out ............................................................................................................951.5.4.7 Pause Insertion ............................................................................................................9610 Feature GuideTable of Contents