User Manual

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LZT 123 7263 R1A
19. Supplementary Services
19.1 AT+CPIN PIN Control
See 3.27, AT+CPIN PIN Control
19.2 AT+CACM Accumulated Call Meter
Resets the Advice of Charge related accumulated call meter value in
SIM file EFACM. 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. Refer subclause 9.2 for <err> values.
Note! This command must take into account what line is chosen with
AT*ELIN or via the MMI
Read command returns the current value of ACM.
Description Command Possible Responses
Reset the ACM
(Accumulated Call
Meter) value on the
SIM
AT+CACM=[<passwd>] •+CMEERROR:<err>
•OK
•ERROR
Show the current value AT+CACM? •+CACM:<acm>
+CME ERROR: <err>
•OK
•ERROR
Tests if the command is
supported
AT+CACM=? •+CMEERROR:<err>
•OK
•ERROR
<passwd> Description
String type SIM-PIN2
<acm> Description
String type Accumulated call meter value similarly coded as <ccm>
under +CAOC