BGS2T AT Command Set
9. Supplementary Service Commands
BGS2T_ATC_V01.301 Page 211 of 554 1/31/12
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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 AT+CACM read command returns the current ACM value.
The AT+CACM 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: <acm>
OK
ERROR
+CME ERROR: <err>
Write Command
AT+CACM=[<passwd>]
Response(s)
OK
ERROR
+CME ERROR: <err>
PIN ASC0 MUX1 MUX2 MUX3 Last Reference(s)
+ + + + + - - 3GPP TS 27.007 [35]
<acm>
(str)
<passwd>
(str)
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