Documentation
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Documentation
A PDF version of this operating manual is available on the Internet at http:/
/www.siemens.com/hipath A CD-ROM containing HTML and PDF ver-
sions is also available (ask your service personnel).
To display and print the PDF manual, you need a computer running Adobe’s
free Acrobat Reader software. To display the HTML manual, you need a
computer and a Web browser, for example, Microsoft Internet Explorer.
Reference Guide
Telephone Maintenance
• Always use a damp or antistatic cloth to clean the telephone. Never
use a dry cloth.
• If the handset is heavily soiled, clean it with a diluted surfactant-based
neutral cleaner, such as, dishwashing detergent Afterwards remove all
traces of the cleaner with a damp cloth (using water only).
• Do not use alcohol-based or corrosive cleaners or abrasive powders.
Echo Effect
You may hear a very distinct echo during a call. This effect is not caused by
a product or design fault in your telephone but rather by the other party's
telephone.
Troubleshooting
Pressed key does not respond:
Check whether the key is stuck.
Telephone does not ring:
Check whether the do not disturb function was activated on your tele-
phone ("Do not disturb" appears on the screen). If so, deactivate it
Æ Page 83.
You cannot dial an external number:
Check whether you telephone is locked ("Not authorized" appears on the
screen). If so, unlock the telephone Æ Page 87.
To correct any other problem:
First contact service personnel. If service personnel is unable to correct
the problem, contact Customer Service.
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