| Contents | iii
Deregistering a Handset................................................................................................................... 41
Headsets Registration...............................................................................42
Switching Modes............................................................................................................................... 42
Registering a New Headset to a Base Station................................................................................. 43
Pairing the Headset with a Handset................................................................................................. 43
Using the Headset to Manage Calls.................................................................................................44
Call Features.............................................................................................. 44
Changing the Default Outgoing Line.................................................................................................45
Placing Calls......................................................................................................................................45
Placing Internal Calls..............................................................................................................45
Placing External Calls............................................................................................................ 46
Placing a Call from the Call History.......................................................................................47
Placing a Call from the Directory...........................................................................................47
Placing a Call from the Shared Directory.............................................................................. 47
Speed Dial on the W73H/W78H/W56H/W53H/W59R/W57R................................................. 48
Speed Dial on the DD Phone................................................................................................ 49
Speed Dial on the Headset....................................................................................................49
Redial...................................................................................................................................... 49
Placing an Anonymous Call................................................................................................... 51
Calling Emergency Alarm Number.........................................................................................51
Answering Calls.................................................................................................................................52
Assigning Incoming Lines to the Handset..............................................................................52
Answering a Call.....................................................................................................................52
Answering a Call When in a Call........................................................................................... 53
Answering a Call Automatically..............................................................................................53
Disabling Call Waiting....................................................................................................................... 53
Switching Among the Receiver, Handsfree and Headset Modes..................................................... 54
Silencing or Rejecting Incoming Calls.............................................................................................. 54
Silencing a Call.......................................................................................................................54
Rejecting a Call Manually.......................................................................................................54
Rejecting Anonymous Calls....................................................................................................54
Rejecting Calls with Do Not Disturb (DND)........................................................................... 55
Ending Calls...................................................................................................................................... 55
Muting/Unmuting Audio..................................................................................................................... 55
Holding and Resuming Calls.............................................................................................................55
Holding a Call......................................................................................................................... 56
Resuming a Held Call............................................................................................................ 56
Call Forward...................................................................................................................................... 56
Forwarding Incoming Calls..................................................................................................... 56
Transferring Calls...............................................................................................................................57
Performing a Blind Transfer....................................................................................................57
Performing a Semi-Attended/Attended Transfer..................................................................... 57
Conference Calls............................................................................................................................... 57
Local Conference....................................................................................................................58
Hybrid UC Meeting................................................................................................................. 60
Network Conference............................................................................................................... 61
Recording Using an SD Card........................................................................................................... 63
Recording a Call.....................................................................................................................63
Pausing/Resuming a Recording............................................................................................. 63
Stopping a Recording.............................................................................................................64
Managing the Recordings.......................................................................................................64
Viewing the Available Recording Time...................................................................................65