Siemens Brodersen MC55 AT - Manual (Page 191)

MC55_ATC_V04.00 Page 191 of 475 3/17/06
Confidential / Released
9. Supplementary Service Commands
The AT Commands described in this chapter are related to the Supplementary Services offered by the GSM net-
work.
9.1 AT+CACM Accumulated call meter (ACM) reset or query
Syntax
Command Description
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.
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: <acm>
OK
ERROR
+CME ERROR: <err>
Write Command
AT+CACM=
[
<passwd>
]
Response(s)
OK
ERROR
+CME ERROR: <err>
Reference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge  Last
GSM 07.07 % % % % % % ! ! !
<acm>
(str)
<passwd>
(str)