148
Appendix
SX303/353isdn / englisch / A31008-X353-B100-2-7619 / appendix.fm / 17.11.2005
… the divert conditions are
not displayed for call
diversion?
Internal call diversion is
activated.
Activate external call diversion
Apply to have this activated by
the network provider.
… the telephone also rings for
fax-PC calls?
The phone number is in the
phone number list of the base
telephone.
Delete the corresponding
phone number (MSN) in the list
… the display shows
no call
charges
?
The call charge display is not set
or this performance feature is
not enabled by the network
provider.
Activate the call charge display
Request the performance
feature "charge transmission"
from the network provider.
… you cannot access the
answering machine
?
The answering machine lock has
been activated.
Enter answering machine PIN
… you are unable to record
any new information or
announcements
?
There is insufficient remaining
memory.
Delete old messages/
information (page 70).
Reduce the quality of the
recordings (page 79).
… you have a
PABX
and, after
dialling, the wrong
connection or no connection
is made?
You have entered the wrong
prefix or no prefix.
Check and correct the prefix
… some of the
ISDN
functions
do not work as
stated?
The ISDN function is not
enabled.
Check with your network
provider.
… another
telephone
on the
So bus
does not ring
?
The same MSN was assigned to
the telephones. One of the
telephones also has internal call
diversion activated.
Deactivate internal call
diversion or set external call
diversion (page 99).
… the caller hears the phone
ringing
although
the MSN is
busy
?
The MSN was saved in devices
also used on the ISDN
connection.
The phone number which is
supposed to be used for call
protection during a call should
be deleted from the list of
phone numbers for each
individual additional device.
… the base station does
not
receive
the
SMS
as text?
You are not registered with both
SMS centres.
Register with SMS centres
What has happened
when …
Possible Cause
Possible solution