10 User ManualTable of Contents1 Operation............................................................................................... 131.1 Before Operating the Telephones..................................................................................141.1.1 Before Operating the Telephones .....................................................................................141.2 Making Calls ....................................................................................................................251.2.1 Basic Calling ..................................................................................................................... 251.2.2 Easy Dialling ..................................................................................................................... 301.2.3 Redial ................................................................................................................................331.2.4 When the Dialled Line is Busy or There is No Answer......................................................341.2.5 Accessing the ISDN Service (ISDN Service Access) .......................................................411.2.6 Alternating the Calling Method (Alternate Calling—Ring/Voice) .......................................421.2.7 Calling without Restrictions............................................................................................... 431.2.8 To Access Another Party Directly from Outside (Direct Inward System Access [DISA]) ..........441.2.9 Setting Your Telephone from Another Extension or through DISA (Remote Setting) ..............471.3 Receiving Calls ...............................................................................................................481.3.1 Answering Calls ................................................................................................................481.3.2 Answering Hands-free (Hands-free Answerback) .............................................................491.3.3 Answering a Call Ringing at Another Telephone (Call Pickup).......................................... 501.3.4 Answering a Call via an External Speaker (Trunk Answer From Any Station [TAFAS]) ........... 511.3.5 Using the ANSWER/RELEASE Button .............................................................................521.3.6 Identifying Malicious Calling Parties (Malicious Call Identification [MCID]).......................541.4 During a Conversation....................................................................................................551.4.1 Transferring a Call (Call Transfer)......................................................................................551.4.2 Holding a Call....................................................................................................................591.4.3 Talking to Two Parties Alternately (Call Splitting) .............................................................. 631.4.4 Answering Call Waiting .....................................................................................................651.4.5 Multiple Party Conversation ..............................................................................................691.4.6 Mute ..................................................................................................................................771.4.7 Letting Other People Listen to the Conversation (Off-hook Monitor) ................................781.4.8 Using the Headset (Headset Operation) ........................................................................... 791.5 Before Leaving Your Desk..............................................................................................811.5.1 Forwarding Calls ...............................................................................................................811.5.2 Using Voice Messaging (Built-in Simplified Voice Message [SVM])..................................901.5.3 Showing a Message on the Caller's Telephone Display (Absent Message) ...................1011.5.4 Preventing Other People from Using Your Telephone (Extension Dial Lock) .................. 1031.6 Making/Answering an Announcement ........................................................................1051.6.1 Paging .............................................................................................................................1051.6.2 Answering/Denying a Paging Announcement .................................................................1071.7 Setting the Telephone According to Your Needs .......................................................1081.7.1 Setting the Alarm (Timed Reminder) ..............................................................................1081.7.2 Refusing Incoming Calls (Do Not Disturb [DND])............................................................ 1101.7.3 Receiving Call Waiting (Call Waiting/Off-hook Call Announcement [OHCA]/Whisper OHCA) ......1131.7.4 Displaying Your Telephone Number on the Called Party and Caller's Telephone (Calling/Connected Line Identification Presentation [CLIP/COLP])..............................................1141.7.5 Preventing Your Telephone Number Being Displayed on the Caller's Telephone (ConnectedLine Identification Restriction [COLR])............................................................................1151.7.6 Preventing Your Number Being Displayed on the Called Party's Telephone (Calling LineIdentification Restriction [CLIR]) .....................................................................................116