Operation Manual
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
61BusinessPhone – Cordless DT400/DT410/DT420/DT430
Security
Security
You can block your extension in order to prevent unauthorized use
of your telephone, e.g. if your external calls are placed on a specific
account number.
Block extension
T
Press
*72#
Dial to block your extension
Verification tone.
Un-block extension
T
Press
#72*
Dial
z
Dial your password
#
Press to re-open
Verification tone. Your extension is open for use.