4000 - User Guide
In this guide
If you need some help, call us on 0800 145 6789* or go to bt.com/producthelp
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Set the base ringer volume ...............41
Set a PBX access code ......................42
Change the system PIN.....................42
Reset the handset or base settings ....43
Clear the handset or base user data ...43
Clock/Alarm
Set the time format (12 or 24 hour) ..44
Set the time and date .......................44
Set an alarm ...................................45
Stopping the alarm when it goes off . . 45
BT Calling Features
Pre-stored numbers in the Calling
Features menu .................................46
Using Call Diversion ..........................46
Cancel Ringback ..............................47
Using Call Waiting ...........................47
Using Reminder call .........................48
Using Call barring .............................48
Using Anonymous call reject .............49
Using additional handsets
Register an additional handset ..........50
De-register a handset ......................51
Make an internal call
between handsets ............................52
Transfer a call ...................................52
Hold 3-way call ...............................53
Help ...............................................54
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