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Settings
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
Note
When making the own line settings you also need to fill in the
external line prefix (
Ext. line
). This prefix (for example: 0) may be
required before you can make an external call. This external line
prefix is not part of the phone number.
International
access code
Required digits when you want to make an
international call (e.g. 00).
Only in the phone book a
+
can be used instead.
Country code
A code for the country, one or more digits.
Area code
Countries can have area codes for phone
numbers in geographically different areas.
PBX prefix
When connected to a switchboard, all phone
numbers of the connected phones start with the
same first part. This common part is the
PBX
prefix
(for examples, see below).
Extension number
Unique part of the phone number, distinguishing
the phone number from other phone numbers.