101
Appendix
C1-C2 isdn / englisch / A31008-M373-B103-1-7619 / appendix.fm / 08.06.2004
… the calls list does not indi-
cate a time for a message?
Date/time are not set. Set the date/time (page 74).
… the answering machine
does not record any messages
or has automatically switched
over to 'announce only'?
Its memory is full. Delete old messages.
Play back new messages and
delete.
… the handset does not ring
after the ISDN number (MSN)
has been set up?
The area prefix has been stored
with the MSN.
Store MSN without area prefix
(page 81).
… there are no incoming
calls?
Call forwarding Immediately
has been activated.
The MSN has not been assigned
to the internal user.
Deactivate call forwarding
Immediately (page 85).
Determine the receive MSN
(page 83).
… you cannot access the
answering machine?
The answering machine lock has
been activated.
Enter answering machine PIN
(page 66).
… you are unable to record
any new information or
announcements?
There is insufficient remaining
memory.
Delete old messages/informa-
tion (page 60).
Reduce the quality of the
recordings (page 64).
… you have a PABX and, after
dialling, the wrong connec-
tion or no connection is
made?
You have entered the wrong pre-
fix or no prefix.
Check and correct the prefix
(page 96).
… the handset does not ring
as set?
There is a different setting for
the ringer melody for the MSN.
Change the ringer tone melody
(page 84).
… it is not possible to access
the answering machine from
the handset?
The handset is not assigned to
the receive MSN for the answer-
ing machine.
Check assignment (page 62).
… some of the ISDN func-
tions do not work as stated?
The ISDN function has not been
enabled.
Check with your network pro-
vider.
… the handset does not
receive an SMS as a text mes-
sage?
You are not registered with both
SMS centres.
Register with SMS centres
(page 40).
What has happened
when …
Possible cause Possible solution
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