Basic operating instructions
Step by Step
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Accessing Functions
... With Codes
You can activate the functions of your system by
entering codes such as:
DND (do not disturb) on.
DND (do not disturb) off.
All codes to activate or enable functions are always in-
troduced by pressing the star key, and all codes to de-
activate, disable or delete functions are always entered
starting with the pound key.
When using pulse telephones, the star key must be re-
placed by the code
For example:
DND (do not disturb) on
DND (do not disturb) off
The codes may contain up to three digits.
An alphabetically ordered overview of all functions and
their corresponding codes can be found in the Appen-
dix (Quick-Reference Operating Instructions).
Basic and Enhanced Functions
and the pound key by