Gigaset CX150 isdn Instructions Manual page 95

Appendix
What has happened
when ...
... the handset does not ring
after the ISDN number (MSN)
has been set up?
... there are no incoming
calls?
... you cannot access the
answering machine?
... you are unable to record
any new information or
announcements?
... you have a PABX and, after
dialling, the wrong
connection or no connection
is made?
... the handset does not ring
as set?
... it is not possible to access
the answering machine from
the handset?
... some of the ISDN
functions do not work as
stated?
... the handset does not
receive an SMS as a text
message?
92
Possible Cause
The area prefix has been stored
with the MSN.
Call forwarding Immediately
has been activated.
The MSN has not been assigned
to the internal user.
The answering machine lock has
been activated.
There is insufficient remaining
memory.
You have entered the wrong
prefix or no prefix.
The MSN has a different ringer
melody set.
The handset is not assigned to
the receive MSN for the
answering machine.
The ISDN function has not been
enabled.
You are not registered with both
SMS centres.
Possible solution
Store MSN without area prefix
(page 71).
Deactivate call forwarding
Immediately (page 75).
Determine the receive MSN
(page 73).
Enter answering machine PIN
(page 65).
Delete old messages/
information (page 54).
Reduce the quality of the
recordings (page 64).
Check and correct the prefix
(page 86).
Change the ringer melody
(page 74).
Check assignment (page 61).
Check with your network
provider.
Register with SMS centres
(page 36).