User Manual

 wait for response:
Response
Reason
Action
OK
SIM PUK was correct
Proceed ahead
ERROR
the SIM PUK code inserted is not correct
Retry from par. 0
When receiving the ERROR message, be careful to check if the SIM PUK is correct before
trying again. After 10 failed attempts to provide the SIM PUK the SIM Card will lock and
will not be usable anymore.
 send command AT+CREG?<cr>
 wait for response:
Response
Reason
Action
+CME ERROR: 10
SIM not present or damaged
Check SIM or require SIM
insertion and repeat from par.
4.4.2.2
+CME ERROR: 11
SIM is present and PIN is required to
continue operations
Repeat par. 4.4.2.3
+CREG: 0,0
or
+CREG: 1,0
No network is found
Check for antenna cable
connection (antenna may be
disconnected or damaged) or
change position if the antenna is
OK. Repeat par. 4.4.3.1 until a
network is found.
+CREG: 0,1
or
+CREG: 1,1
Mobile is registered on its home network.
Proceed ahead. Ready to call
+CREG: 0,2
or
+CREG: 1,2
Mobile is currently not registered on any
network but is looking for a suitable one to
register.
Repeat procedure at par. 4.4.3.1 to
see if it has found a suitable
network to register in.
+CREG: 0,3
or
+CREG: 1,3
Mobile has found some networks but it is not
allowed to register on any of them, no
roaming was allowed.
Try in another place, and repeat
procedure at par. 4.4.3.1
+CREG: 0,4
or
+CREG: 1,4
Mobile is in an unknown network status
Repeat procedure at par. 4.4.3.1 to
see if it has found a suitable
network to register in
+CREG: 0,5
or
+CREG: 1,5
Mobile has found some networks and is
currently registered in roaming on one of
them
Proceed ahead. Ready to call