Contents
Your Classic A121
Please read these operating instructions carefully to familiarise yourself with and take
full advantage of the benefits of your new Classic A121
Keep this user manual in a safe place!
Note: These operating instructions describe the full range of functions provided by
the Classic A121
ISDN
differ or be limited by the characteristics of your network operator or provider. For
detailed information on the services available with your ISDN connection, contact
your network provider.
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Listening protection .......................................................................................9
Connecting the phone .................................................................................10
Changing users ....................................................................................14
ISDN
is designed for connection to the Swiss public ISDN network.
. The functions and instructions described in this user manual may
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.
ISDN
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1
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