User guide
Table Of Contents
- Welcome
- Table of Contents
- Important
- Description
- Incoming Calls
- Outgoing Calls
- During Calls
- Call Forwarding
- Information
- Internal Messages
- Mailbox System
- Hot Keys
- Group Facilities
- Other Useful Facilities
- Security
- Least Cost Routing
- Phone Book
- Settings
- Audible Adjustments
- Tones and Signals
- Useful Hints
- Installation
- Troubleshooting
- Glossary
- Index
- Voice Guide

11BusinessPhone – Cordless DT400/DT410/DT420/DT430
Description
abc Text mode
Indicates that you can type both numbers and letters.
Note: The following feature is only available for the DT420
and DT430 telephones. To use this feature with the DT420,
the telephone must be equipped with an optional device.
A Non-movement alarm on
Indicates that the Non-movement alarm is set.
A Non-movement alarm activated
The icon starts to flash and you hear a warning signal if you have
not moved within 30 seconds. If you do not reset the alarm within
5 seconds, an alarm message is sent and the display shows “Non-
movement”.
Additional display features
Depending on which network you are connected to, additional
display features are available. Ask your system administrator if you
require additional display features.










