Multi-Tech Systems MMCModem GPRS (MTMMC-G) - Manual (Page 86)

Chapter 10 – Supplementary Services Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 86
Accumulated Call Meter Maximum +CAMM
Description: The set command sets the Advice of Charge related to accumulated call meter maximum value in SIM
file EF
ACMmax
. ACMmax contains the maximum number of home units the subscriber is allowed to
consume. When ACM (see +CACM) reaches ACMmax, calls are prohibited. SIM PIN2 is required to set
the value. If setting fails in an ME error, +CME ERROR: is returned.
The Read command returns the current value of ACMmax.
The ACMmax value (entered or displayed) is in hexadecimal format with 6 digits.
Values: String type coded as under +CAOC. Value 0 disables ACMmax feature.
String type
Syntax: Command syntax: AT+CAMM:,
Command Possible responses
AT+CAMM=”000400”,1234
Note: Request ACMmax update, PIN2 is “1234” OK
Note: ACMmax updated to 1024
AT+CAMM=”000400”,0000
Note: Request ACMmax update, PIN2 is “1234” +CME ERROR: 16
Note: Incorrect password
AT+CAMM ?
Note: Request ACMmax value +CAMM: “000400”
OK
Note: ACMmax = 1024
Price Per Unit and Currency Table +CPUC
Description: The set command sets the parameters for Advice of Charge related to price per unit and the currency
table in SIM file EF
PUCT
. PUCT information can be used to convert the home units (as used in +CAOC,
+CACM and +CAMM) into currency units. SIM PIN2 is required to set the parameters. If setting fails in
an ME error, +CME ERROR: is returned..
Values: String type
String type
String type
Syntax: Command syntax: AT+CPUC ,,
Command Possible responses
AT+CPUC=”FFR”,”0.82”,1234
Note: Request Currency and Price per unit update OK
AT+CPUC=”FFR”,”0.82”,1111
Note: Request Currency and PPU update (wrong PIN2) + CME ERROR: 16
Note: Incorrect password
AT+CPUC?
Note: Request Currency and Price +CPUC:”FFR”,”0.82”
OK
Note: Currency= “FFR”
Price per unit= “0.82”