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©1998 by TELES AG Berlin, Version 1.1/fon-eu/15.07.
A telephone reset can help sometimes when problem do not seem to go
away.
Disconnect the telephone line briefly
or
press the
-key and the numbers 93.
After a few seconds the display is refreshed.
Date/time wrong or
not displayed
Power outage
Plug of the telephone cable
not properly attached.
After first installation or a
power outage no connection
has been made.
Regain power or set
emergency power switch
to “on”.
Check plug at the wall
socket and on the tele-
phone.
Date and time are dis-
played after the first
established telephone
connection.
Calling party does not
hear you
Microphone is muted
Turn on microphone
No ringing
No calls
Do not disturb activated.
Wrong MSN is set.
Call forwarding is set.
Room monitoring is set.
Deactivate do not disturb.
Set Multiple Subscriber
Number.
Turn off call forwarding.
Turn off room monitor-
ing.
Call forwarding can
not be programmed.
MSN not programmed or
wrong.
Destination call number not
programmed.
Switchboard does not sup-
port call forwarding
Set MSN
Enter destination call
number.
Apply for call forwarding
at the telephone com-
pany.
Problem
Possible causes
Solutions