Before You Begin; Important Notes - Siemens HiPath 2000 Operating Instructions Manual

Before You Begin

Before You Begin
These operating instructions describe the optiPoint 420 advance telephone on your
HiPath 2000 and HiPath 3000 / 5000.
They describe all functions you can use from your telephone. You may find that some func-
tions you wish to use are not available on your telephone. This may be due to one of the
following reasons:
• The function has not been configured for your telephone - address any questions to
your service personnel.
• Your communications platform does not support this function - contact your service
personnel to upgrade your system.

Important Notes

Do not operate the telephone in environments where there is a danger of
explosions.
Use only original Siemens accessories. Using other accessories may cause
a hazard and will invalidate the warranty and the CE mark.
Never open the telephone or a key module. If you encounter any problems,
contact your service personnel.
CE (customer equipment) does not continue to support emergency dialing after loss of
mains power, if battery back up and power fail switchover to emergency analogue phones
is not available.
Never allow the telephone to come into contact with staining or aggressive liquids such as
coffee, tea, juice, or soft drinks. For information on telephone maintenance ! Page 125.
The information provided in this document contains merely general descriptions or charac-
teristics of performance which in case of actual use do not always apply as described or
which may change as a result of further development of the products.
An obligation to provide the respective characteristics shall only exist if expressly agreed
in the terms of contract.
The trademarks used are owned by Siemens AG or their respective owners.
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