GSM/GPRS Module
M35 AT Commands Manual
M35_AT_Commands_Manual Confidential / Released 153 /
186
12
Supplementary Service
Commands
12.1. AT+CACM Accumulated Call Meter (ACM) Reset or Query
Parameter
AT+CACM Accumulated Call Meter (ACM) Reset or Query
Test Command
AT+CACM=?
Response
OK
Read Command
AT+CACM?
Response
TA returns the current value of ACM.
+CACM: <acm>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CACM=[<passwd>]
Response
TA resets the advice of charge related Accumulated Call
Meter (ACM) value in SIM file EF (ACM). ACM contains the
total number of home units for both the current and preceding
calls.
OK
If error is related to ME functionality:
+CME ERROR: <err>
Reference
GSM 07.07
<acm>
String type; three bytes of the current ACM value in hexa-decimal format (e.g. “00001E”
indicates decimal value 30)
000000 – FFFFFF
<passwd>
String type: SIM PIN2