Practical guide
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Practical guide
Care of the telephone
• To clean the telephone, use a slightly damp cloth or
an antistatic cloth. Never wipe the phone with a dry
cloth!
• If necessary, you may use a diluted mild detergent
(commercially available). After cleaning, thoroughly
remove the detergent using a cloth dampened with
water.
• Do not use alcohol-based detergents or any abra-
sive cleaning products.
Troubleshooting
There is no response when pressing a key:
Make sure the key is not blocked.
The telephone does not ring when receiving a call:
Make sure that the Do not disturb feature is activated
for the extension (if it is the display will show: "DND
ON"). If the feature is activated, deactivate it Æ page 70.
The telephone does not work when dialing an ex-
ternal number:
Make sure your telephone is not blocked (if it is, the dis-
play will show: "LOCK ON"). If the telephone is locked,
unlock it Æ page 91.
If there are any other problems when operating the
phone:
Contact your system’s support technician. If the prob-
lem is not solved, the support technician should call
Technical Support.
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