8 User ManualTable of Contents1 Operation............................................................................................... 111.1 Before Operating a Telephone .......................................................................................121.1.1 Before Operating a Telephone ..........................................................................................121.2 Making Calls ....................................................................................................................201.2.1 Basic Calling ..................................................................................................................... 201.2.2 Easy Dialling ..................................................................................................................... 251.2.3 Redialling .........................................................................................................................291.2.4 When the Dialled Party is Busy or There is No Answer ....................................................311.2.5 Switching the Calling Method (Alternate Calling—Ring/Voice) .........................................391.2.6 Using Your Calling Privileges at Another Extension (Walking COS) .................................401.2.7 Accessing Another Party Directly from Outside (Direct Inward System Access [DISA]) ............411.3 Receiving Calls ...............................................................................................................441.3.1 Answering Calls ................................................................................................................441.3.2 Answering Hands-free (Hands-free Answerback) .............................................................451.3.3 Answering a Call Ringing at Another Telephone (Call Pickup).......................................... 461.4 During a Conversation....................................................................................................481.4.1 Transferring a Call (Call Transfer)......................................................................................481.4.2 Holding a Call....................................................................................................................501.4.3 Talking to 2 Parties Alternately (Call Splitting) .................................................................541.4.4 Answering Call Waiting .....................................................................................................551.4.5 Talking to Multiple Parties (Conference) ........................................................................... 581.4.6 Muting a Microphone (Microphone Mute) ......................................................................... 631.4.7 Using the Headset (Headset Operation) ........................................................................... 641.4.8 Talking to Another Party without Lifting the Handset (Hands-free Operation)...................651.4.9 Changing the Dialling Mode (Pulse to Tone Conversion)..................................................661.5 Before Leaving Your Desk..............................................................................................671.5.1 Forwarding Your Calls (Call Forwarding [FWD])................................................................ 671.5.2 Showing a Message on the Caller's Telephone Display (Absent Message) .................... 701.5.3 Preventing Other People from Using Your Telephone (Extension Lock) ...........................721.5.4 Leaving a Group (Log-in/Log-out) .....................................................................................731.5.5 Using Voice Messaging (Built-in Voice Message [BV]) ..................................................... 741.6 Making/Answering a Paging Announcement ...............................................................831.6.1 Paging ...............................................................................................................................831.6.2 Answering/Denying a Paging Announcement ...................................................................851.7 Setting the Telephone According to Your Needs .........................................................861.7.1 Setting the Alarm (Timed Reminder) ................................................................................861.7.2 Refusing Incoming Calls (Do Not Disturb [DND]).............................................................. 881.7.3 Receiving Call Waiting .....................................................................................................891.7.4 Preventing Other People from Joining Your Conversation (Executive Busy Override Deny) ........... 901.7.5 Turning on the Background Music (BGM) ........................................................................ 911.7.6 Protecting Your Line against Notification Tones (Data Line Security) ............................... 921.7.7 Checking the Time Service Mode .....................................................................................931.7.8 Clearing Features Set at Your Extension (Extension Feature Clear) ................................941.7.9 Monitoring a Room (Room Monitor)..................................................................................951.8 Using User-supplied Equipment.................................................................................... 971.8.1 If a Doorphone/Door Opener is Connected ......................................................................971.8.2 If a Host PBX is Connected............................................................................................... 99