Sony Ericsson TT4031 (SE-GM29) - Manual (Page 248)

Owner’s Manual Rev 1.0 Page 248 of 248
Supplementary Services
16.1 AT+CPIN PIN Control
See 3.23, AT+CPIN PIN Control
16.2 AT+CACM Accumulated Call Meter
Description Command Possible Responses
Reset the ACM
(Accumulated Call
Meter) value on the SIM
AT+CACM=[<passwd>] •_ +CME ERROR: <err>
•_ OK
•_ ERROR
Show the current value AT+CACM?
•_ +CACM: <acm>
+CME ERROR: <err>
•_ OK
•_ ERROR
Tests if the command is
supported
AT+CACM=? •_ +CME ERROR: <err>
•_ OK
•_ ERROR
Resets the Advice of Charge related accumulated call meter value in SIM file
EF
ACM
. ACM contains the total number of home units for both the current and
preceding calls. SIM PIN2 is usually required to reset the value. If setting fails
in an ME error, +CME ERROR: <err> is returned. See “+CME ERROR (Mobile
Equipment Error Code)”.
Note!_ This command must take into account what line is
chosen with AT*ELIN.
Read command returns the current value of ACM.
<passwd> Description
String type SIM-PIN2
<acm> Description
String type Accumulated call meter value similarly coded as <ccm>
under +CAOC