Siemens MC55 - Manual (Page 212)

MC55 AT Command Set
9. Supplementary Service Commands
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MC55_ATC_V01.05 Page 212 of 469 2/10/04
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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.
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>
PIN ASC0 ASC1 MUX1 MUX2 MUX3
% % % % % %
Reference(s)
GSM 07.07