Table of Contents1 Operation ................................................................................................171.1 Before Operating the Telephones .................................................................................181.1.1 Before Operating the Telephones ..................................................................................181.2 Basic Operations .............................................................................................................261.2.1 Making Calls ...................................................................................................................261.2.2 Answering Calls ..............................................................................................................281.3 Telephone Features and Operation ...............................................................................301.3.1 Absent Message .............................................................................................................301.3.2 Account Code Entry .......................................................................................................311.3.3 Alternate Calling—Ring/Voice ........................................................................................321.3.4 Automatic Callback Busy (Camp-on) .............................................................................321.3.5 BGM (Background Music) ..............................................................................................341.3.6 Call Hold .........................................................................................................................341.3.7 Call Monitor ....................................................................................................................371.3.8 Call Park .........................................................................................................................371.3.9 Call Pickup .....................................................................................................................391.3.10 Call Splitting ...................................................................................................................401.3.11 Call Transfer ...................................................................................................................421.3.12 CALL WAITING FEATURES ..........................................................................................461.3.13 Call Waiting Tone ...........................................................................................................511.3.14 Character Entry ..............................................................................................................521.3.15 Conference .....................................................................................................................551.3.16 Conference, Unattended ................................................................................................591.3.17 Conference Group Call ...................................................................................................611.3.18 Data Line Security ..........................................................................................................671.3.19 DISA (Direct Inward System Access) .............................................................................681.3.20 DND (Do Not Disturb) .....................................................................................................711.3.21 Door Open ......................................................................................................................741.3.22 Doorphone Call ..............................................................................................................751.3.23 EFA (External Feature Access) ......................................................................................761.3.24 Executive Busy Override ................................................................................................761.3.25 Extension Dial Lock ........................................................................................................781.3.26 Extension Feature Clear .................................................................................................791.3.27 Extension PIN (Personal Identification Number) ............................................................801.3.28 External Relay ................................................................................................................811.3.29 External Sensor ..............................................................................................................821.3.30 FWD (Call Forwarding) ...................................................................................................821.3.31 Hands-free Answerback .................................................................................................891.3.32 Hands-free Operation .....................................................................................................901.3.33 Headset Operation .........................................................................................................901.3.34 HOSPITALITY FEATURES ............................................................................................941.3.35 Hot Line ..........................................................................................................................941.3.36 ICD GROUP FEATURES ...............................................................................................951.3.37 ICD Group Features—Call Log History for ICD Group ...................................................961.3.38 ICD Group Features—Incoming Call Queue Monitor .....................................................971.3.39 ICD Group Features—Log-in/Log-out ............................................................................981.3.40 ICD Group Features—Log-in/Log-out Monitor and Remote Control ............................1001.3.41 ICD Group Features—Manual Queue Redirection .......................................................1021.3.42 ICD Group Features—Supervisory ..............................................................................1021.3.43 Message Waiting ..........................................................................................................1051.3.44 Mute .............................................................................................................................1071.3.45 Off-hook Monitor ...........................................................................................................10714 Operating Manual Document Version 2013-05Table of Contents