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

65BusinessPhone – Cordless DT400/DT410/DT420/DT430
Security
Change lock code
For security reasons, it is recommended to change the lock code
from time to time:
O
Press to enter the menu
fO
Select “4 Settings” and press
fO
Select “1 Phone lock” and press
fO
Select “2 Set lock code” and press
The display shows:
z
Enter the actual lock code
O
Press to confirm
The display changes to:
z
Enter the new lock code (1 to 4 digits)
O
Press to confirm
The new lock code is set.
C
Press to exit the menu
Note: If you cannot remember the lock code, please
contact your system administrator.
Current
code:
Code:










