Table of Contents
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Accessories, optional .......................................81
Account number.............................................46
Activate function with a hot key.....................38
Add a name or a number
to the phone book ..........................................62
Alarm..............................................................52
Answer calls ....................................................12
Audible adjustments .......................................72
Automated attendant ......................................48
Automatic call-back ........................................15
Automatic key lock .........................................68
Battery performance .......................................78
Busy extension ................................................16
Busy extension ................................................18
Bypass call forwarding ....................................25
Call forwarding...............................................21
Call-back ........................................................18
Call-back message...........................................30
Calls via the phone book ................................61
Camp-on ........................................................16
Cancel Hot key...............................................40
Change a name or a number
in the phone book ..........................................63
Change lock code ...........................................57
Charging the battery.......................................79
Check messages ..............................................31
Common bell .................................................45
Conference .....................................................19
Connections between external lines ................84
Contents...........................................................4
Delete a name or a number
from the phone book......................................64
Description.......................................................7
Dial with a Hot key........................................38
Dictaphone function.......................................34
Direct inward access (DISA)...........................49
DISA ..............................................................49
Display .............................................................8
Display icons ....................................................9
Diversion, fixed ..............................................21
BusinessPhone 250 / BusinessPhone 50
Portable DT400 / DT410 / DT420 / DT430
page
Diversion, individual ......................................22
Doorphone .....................................................47
During calls ....................................................17
Earpiece volume .............................................72
Edit a Hot key ................................................41
End a call........................................................13
Enter information...........................................26
Erase information ...........................................29
Fitting the battery,
DT400/DT410/DT420 .................................77
Follow me.......................................................24
Glossary..........................................................82
Group call pick up..........................................45
Group facilities ...............................................43
Group hunting ...............................................43
Guidelines ........................................................5
Hot keys .........................................................38
Important tips ..................................................5
Incoming calls.................................................12
Individual mailbox..........................................35
Info.................................................................71
Information ....................................................26
Inquiry ...........................................................17
Installation general..........................................76
Internal messages ............................................30
Intrusion.........................................................16
IP calls ............................................................50
Key beep.........................................................68
Language ........................................................69
LCR................................................................60
Least Cost Routing .........................................60
Lock phone.....................................................58
Lock the keypad .............................................51
Loudspeaker mode..........................................19
Mailbox ..........................................................35
Make calls.......................................................14
Manual absent ................................................33
Melody ...........................................................73
Menu structure ...............................................10
Mute microphone...........................................20
INDEX
page
85
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