Sony DSX-A55BT Operating Instructions Manual page 28

NO SUPRT (not supported)
 The BLUETOOTH connected cellular phone
does not support PBAP (Phone Book Access
Profile). In this case, this unit cannot access to
the cellular phone's phonebook or call
history.
 The cellular phone is not supported by this
unit, although the cellular phone supports
PBAP (Phone Book Access Profile).
 Check if the cellular phone is connected
correctly. For details on the compatibility of
your cellular phone, visit the support site
(page 29).
P (preset number) EMPTY
 The preset dial is empty.
UNKNOWN
 Name or phone number cannot be displayed
when browsing phonebook or call history.
WITHHELD
 Phone number is hidden by caller.
If these solutions do not help improve the
situation, consult your nearest Sony dealer.
28
GB