10 Feature GuideTable 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 .................................................................................................................. 331.1.2 Internal Call Features.......................................................................................................341.1.2.1 Internal Call Features—SUMMARY ................................................................................................................ 341.1.2.2 Internal Call Block............................................................................................................................................ 361.1.3 Incoming Call Indication Features .................................................................................... 381.1.3.1 Incoming Call Indication Features—SUMMARY ............................................................................................. 381.1.3.2 Ring Tone Pattern Selection ............................................................................................................................ 391.1.3.3 Call Waiting ..................................................................................................................................................... 411.2 Receiving Group Features ............................................................................................431.2.1 Idle Extension Hunting .....................................................................................................431.2.2 Incoming Call Distribution Group Features ......................................................................451.2.2.1 Incoming Call Distribution Group Features—SUMMARY................................................................................ 451.2.2.2 Group Call Distribution .................................................................................................................................... 491.2.2.3 Outside Destinations in Incoming Call Distribution Group............................................................................... 521.2.2.4 Queuing Feature.............................................................................................................................................. 541.2.2.5 VIP Call............................................................................................................................................................ 571.2.2.6 Overflow Feature ............................................................................................................................................. 581.2.2.7 Log-in/Log-out ................................................................................................................................................. 601.2.2.8 Supervisory Feature ........................................................................................................................................ 631.3 Call Forwarding (FWD)/Do Not Disturb (DND) Features .............................................651.3.1 Call Forwarding (FWD)/Do Not Disturb (DND).................................................................651.3.1.1 Call Forwarding (FWD)/Do Not Disturb (DND)—SUMMARY .......................................................................... 651.3.1.2 Call Forwarding (FWD) .................................................................................................................................... 661.3.1.3 Do Not Disturb (DND)...................................................................................................................................... 701.3.1.4 FWD/DND Button, Group FWD Button............................................................................................................ 711.4 Answering Features.......................................................................................................741.4.1 Answering Features .........................................................................................................741.4.1.1 Answering Features—SUMMARY ................................................................................................................... 741.4.1.2 Line Preference—Incoming ............................................................................................................................. 751.4.1.3 Call Pickup....................................................................................................................................................... 761.4.1.4 Hands-free Answerback .................................................................................................................................. 781.5 Making Call Features .....................................................................................................791.5.1 Predialling ........................................................................................................................791.5.2 Automatic Extension Release ..........................................................................................801.5.3 Intercom Call ....................................................................................................................811.5.4 Trunk Call Features .......................................................................................................... 821.5.4.1 Trunk Call Features—SUMMARY.................................................................................................................... 821.5.4.2 Emergency Call ............................................................................................................................................... 831.5.4.3 Account Code Entry ........................................................................................................................................ 841.5.4.4 Dial Type Selection .......................................................................................................................................... 851.5.4.5 Reverse Circuit ................................................................................................................................................ 861.5.4.6 Trunk Busy Out ................................................................................................................................................ 871.5.4.7 Pause Insertion................................................................................................................................................ 881.5.4.8 Host PBX Access Code (Access Code to the Telephone Company from a Host PBX) .................................. 89