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
Tones and Signals
BusinessPhone – Cordless DT400/DT410/DT420/DT43086
Signals
Ringing signals are emitted from the phone..
Note: The tones and ringing signals in this guide refer to the
standard system but may vary between countries.
Internal ringing signal
- repeated after 4 s
External ringing signal
- repeated after 4 s
Automatic call-back signal