iTegno 39XX GPRS Modem
AT Commands Guide
02000C17
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v1.5
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein this
document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd. © 2011, 2012 iWOW
Connections Pte Ltd
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8.11
Accumulated Call Meter MCAMM
Description:
This command sets the Advise of Charge related accumulated call meter maximum value in the SIM file
EFACMmax. ACMmax contains the maximum number of home units allowed to be consumed by the
subscriber. When ACM reaches ACMmax, calls are prohibited. SIM PIN2 is required to set the value.
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Set command is used to set the ACMmax value.
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Read command returns the current ACMmax value in Hexadecimal format.
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Test command returns OK.
Syntax:
AT+CAMM=[<acmmax>[,<passwd>]]
Command
Possible Responses
AT+CAMM=[<acmmax>[,<passwd>]]
OK
or
+CME ERROR: <err>
AT+CAMM?
+CAMM: <acmmax>
OK
AT+CAMM=?
OK
Defined Values
<acmmax>
string type; accumulated call meter maximum value similarly coded as <ccm> under +CAOC;
value zero disables ACMmax feature
<passwd>
string type; SIM PIN2
