User's Manual Part 1

AT Commands 77
P/N 90023363 Revision 1.8
Example:
Query +CALM: <mode>+CME ERROR: <err>
Tes t +CALM: (list of supported <mode>s)+CME ERROR: <err>
AT+CAMM
Description: ACCUMULATED CALL METER MAXIMUM
This command sets the Advice of Charge related accumulated call meter
maximum value in SIM file EF(ACMmax). ACMmax contains the maximum
number of home units allowed to be consumed by the subscriber.
Syntax: AT+CAMM=[<ACMMAX>[,<PASSWD>]]
Parameters: ACMMAX string type; three bytes, 000001-FFFFFF, of the max. ACM
value in hexa-decimal format (e.g. "00001E" indicates
decimal value 30). A value of 000000 will disable
ACMmax feature.
PASSWD SIM PIN2
Example: Input Response
Query AT+CAMM? 00037F
Set AT+CAMM=000400 OK
Tes t AT+CAMM=? OK
AT+CAOC
Description: ADVICE OF CHANGE
This command, when active, sends an unsolicited result code when the
current call meter (CCM) value changes, this will not be reported more
than once every 10 secs.
Syntax: AT+CAOC=<mode>
Parameters: 0, 1
0query CCM value
1 deactivate the unsolicited reporting of CCM value
2 activate the unsolicited reporting of CCM value
Example: Input Response
Query AT+CAOC? Current mode OK
Set AT+CAOC=1 OK
Tes t AT+CAOC=? List of possible selectIons