GSM/GPRS Module
M35 AT Commands Manual
M35_AT_Commands_Manual Confidential / Released 154 /
186
12.2. AT+CAMM Accumulated Call Meter Maximum (ACM Max) Set or
Query
Parameter
12.3. AT+CAOC Advice of Charge
AT+CAMM Accumulated Call Meter Maximum (ACM Max) Set or Query
Test Command
AT+CAMM=?
Response
OK
Read Command
AT+CAMM?
Response
TA returns the current value of ACM max.
+CAMM:
<acmmax>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CAMM=[<acmmax>[,<passwd>]]
Response
TA sets the advice of charge related Accumulated Call Meter
maximum value in SIM file EF (ACM max). ACM max
contains the maximum number of home units allowed to be
consumed by the subscriber.
OK
If error is related to ME functionality:
+CME ERROR: <err>
Reference
GSM 07.07
<acmmax>
String type; three bytes of the max. ACM value in hex-decimal format (e.g. “00001E”
indicates decimal value 30)
000000
Disable ACM max feature
000001-FFFFFF
<passwd>
String type: SIM PIN2
AT+CAOC Advice of Charge
Test Command
AT+CAOC=?
Response
+CAOC
: (list of supported
<mode>
s)