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Cinterion
®
EHS6 AT Command Set
9. Supplementary Service Commands
EHS6_ATC_V03.001
15/12/3
Confidential / Released
Page 198 of 513
9.
Supplementary Service Commands
The AT commands described in this chapter are related to Supplementary Services.
9.1
AT+CACM Accumulated call meter (ACM) reset or query
The
read command returns the current ACM value.
The
write command resets the Advice of Charge related to the 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.
Syntax
Parameter Description
Three bytes of the current ACM value in hexadecimal format (e.g. "00001E" indicates decimal value 30) 000000
- FFFFFF.
SIM PIN2
Test Command
AT+CACM=?
Response(s)
OK
Read Command
AT+CACM?
Response(s)
+CACM:
OK
ERROR
+CME ERROR:
<err>
Write Command
AT+CACM=
]
Response(s)
OK
ERROR
+CME ERROR:
<err>
PIN
Last
Reference(s)
+
+
-
3GPP TS 27.007
<acm>
(str)
<passwd>
(str)