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Glossary
Using this guide
Overview DT570
Contents
Preparing for use
Basic use
Telephoning options
Advanced telephoning
Phone book
Mail
Settings
Extra features
Using networks
Tips
Troubleshooting
Maintenance
Safety instructions
Technical
specifications
Glossary
Divert
Call divert enables you to forward calls to another phone number.
DTMF or touch tone
Dual Tone Multi Frequency (DTMF) allows you to send number key
presses as tone signals over the telephone line. These tones can be
used for interactive telephone services, for accessing an answering
machine, etc.
External call
A call is external when a phone connected to the network makes or
receives a call via an external line.
External line prefix
The external line prefix (for example a ‘0’) may be required before you
can make an external call.