User guide 
 
 
 
 
2 
Table of contents 
 
Table of contents .................................................................................................................................. 2 
Before you begin ................................................................................................................................... 5 
Getting started ...................................................................................................................................... 5 
Hardware Overview ......................................................................................................................................................................... 5 
Menu on the W78HV........................................................................................................................................................................ 7 
Main menu ................................................................................................................................................................................... 7 
Submenu.......................................................................................................................................................................................... 9 
Returning to idle screen ............................................................................................................................................................... 9 
Screen and icons ............................................................................................................................................................................. 9 
Idle screen ................................................................................................................................................................................... 9 
Entering characters ........................................................................................................................................................................ 11 
Setting the input modes ............................................................................................................................................................. 11 
Entering data on the W78HV ..................................................................................................................................................... 12 
Handset registration ............................................................................................................................ 12 
Putting the base station into registration mode .............................................................................................................................. 12 
Registering a new handset to a base station ................................................................................................................................. 12 
Registering a handset to another base station .............................................................................................................................. 14 
Selecting a base station to connect ............................................................................................................................................... 14 
Renaming the base station ............................................................................................................................................................ 14 
Deregistering a Handset ................................................................................................................................................................ 14 
Call features ........................................................................................................................................ 15 
Changing the default outgoing line ................................................................................................................................................ 15 
Placing calls ................................................................................................................................................................................... 15 
Placing internal calls .................................................................................................................................................................. 15 
Placing external calls ................................................................................................................................................................. 16 
Placing a call from the call history ............................................................................................................................................. 16 
Placing a call from the directory................................................................................................................................................. 16 
Placing a call from the shared directory..................................................................................................................................... 17 
Speed dial .................................................................................................................................................................................. 17 
Redial......................................................................................................................................................................................... 18 
Placing an anonymous call ........................................................................................................................................................ 20 
Answering calls .............................................................................................................................................................................. 20 
Assigning incoming lines to the handset.................................................................................................................................... 20 
Answering a call......................................................................................................................................................................... 20 
Answering a call when in a call .................................................................................................................................................. 21 
Answering a call automatically................................................................................................................................................... 21 
Disabling call waiting...................................................................................................................................................................... 21 
Switching among the receiver, handsfree and headset modes ..................................................................................................... 21 
Silencing or rejecting incoming calls .............................................................................................................................................. 22 
Rejecting a call manually ........................................................................................................................................................... 22 
Rejecting anonymous calls ........................................................................................................................................................ 22 
Rejecting calls with Do Not Disturb (DND) ................................................................................................................................ 22 
Ending calls.................................................................................................................................................................................... 22 
Muting/unmuting audio................................................................................................................................................................... 22 
Holding and resuming calls ............................................................................................................................................................ 23 
Holding a call ............................................................................................................................................................................. 23 
Resuming a held call ................................................................................................................................................................. 23 
Call forward .................................................................................................................................................................................... 23 
Forwarding incoming calls ......................................................................................................................................................... 23 
Transferring calls ........................................................................................................................................................................... 24 
Performing a direct transfer ....................................................................................................................................................... 24 
Performing a consultative transfer ............................................................................................................................................. 24 
Conference calls ............................................................................................................................................................................ 24 
N-way Conference ..................................................................................................................................................................... 24