Table of Contents1 Operation ................................................................................................151.1 Before Operating the Telephones .................................................................................161.1.1 Before Operating the Telephones ..................................................................................161.2 Making Calls ....................................................................................................................291.2.1 Basic Calling ...................................................................................................................291.2.2 Easy Dialling ...................................................................................................................341.2.3 Redial .............................................................................................................................371.2.4 When the Dialled Line is Busy or There is No Answer ...................................................381.2.5 Accessing the ISDN Service (ISDN Service Access) .....................................................461.2.6 Alternating the Calling Method (Alternate Calling—Ring/Voice) ....................................471.2.7 Calling without Restrictions ............................................................................................481.2.8 To Access Another Party Directly from Outside (Direct Inward System Access[DISA]) ............................................................................................................................491.2.9 Setting Your Telephone from Another Extension or through DISA (RemoteSetting) ...........................................................................................................................521.3 Receiving Calls ................................................................................................................531.3.1 Answering Calls ..............................................................................................................531.3.2 Answering Hands-free (Hands-free Answerback) ..........................................................541.3.3 Answering a Call Ringing at Another Telephone (Call Pickup) ......................................551.3.4 Answering a Call via an External Speaker (Trunk Answer From Any Station[TAFAS]) .........................................................................................................................561.3.5 Using the Answer/Release Button ..................................................................................571.3.6 Identifying Malicious Calling Parties (Malicious Call Identification [MCID]) ....................591.4 During a Conversation ....................................................................................................601.4.1 Transferring a Call (Call Transfer) ..................................................................................601.4.2 Holding a Call .................................................................................................................641.4.3 Talking to Two Parties Alternately (Call Splitting) ..........................................................681.4.4 Answering Call Waiting ..................................................................................................701.4.5 Multiple Party Conversation ...........................................................................................751.4.6 Mute ...............................................................................................................................841.4.7 Letting Other People Listen to the Conversation (Off-hook Monitor) .............................851.4.8 Using the Headset (Headset Operation) ........................................................................861.5 Using a PDN/SDN Button ...............................................................................................881.5.1 Primary Directory Number (PDN)/Secondary Directory Number (SDN)Extension ........................................................................................................................881.6 Before Leaving Your Desk .............................................................................................921.6.1 Forwarding Calls ............................................................................................................921.6.2 Using Voice Messaging (Built-in Simplified Voice Message [SVM]) ............................1001.6.3 Showing a Message on the Caller’s Telephone Display (Absent Message) ................1111.6.4 Preventing Other People from Using Your Telephone (Extension Dial Lock) ..............1131.7 Making/Answering an Announcement ........................................................................1151.7.1 Paging ..........................................................................................................................1151.7.2 Answering/Denying a Paging Announcement ..............................................................1171.7.3 Making an Announcement and Having a Multiple Party Conversation(Broadcasting) ..............................................................................................................1181.8 Setting the Telephone According to Your Needs ......................................................1211.8.1 Setting the Alarm (Timed Reminder) ............................................................................1211.8.2 Refusing Incoming Calls (Do Not Disturb [DND]) .........................................................1231.8.3 Receiving Call Waiting (Call Waiting/Off-hook Call Announcement [OHCA]/WhisperOHCA) ..........................................................................................................................1271.8.4 Displaying Your Telephone Number on the Called Party and Caller’s Telephone (Calling/Connected Line Identification Presentation [CLIP/COLP]) ...........................................128User Manual 11Table of Contents