> 9.4 | AT+CAOC Advice of Charge information

> Syntax

> Test Command AT+CAOC=?
> Response(s)
> +CAOC: (list of supported<mode>s)
> OK

> Read Command AT+CAOC?
> Response(s)
> +CAOC: <mode>
> OK

> Exec Command AT+CAOC
> Response(s)
> ERROR
> +CME ERROR: <err>
> If <mode>=0, TA returns the current call meter value:
> +CAOC: <ccm>
> OK

> Write Command AT+CAOC=[<mode>]
> Response(s)
> ERROR
> +CME ERROR: <err>
> If <mode>=0, TA returns the current call meter value.
> OK

> Reference(s) |  | PIN |  | ASC0 | ASC1 | USB | MUX1 | MUX2 | MUX3 |  |  | Charge | Q | Last
> GSM 07.07 |  | + |  | + | + | + | + | + | + |  |  | - | + | -

> Command Description
> Execute command returns the current call meter value.
> The write command sets the Advice of Charge supplementary service function mode.
> Parameter Description

> <mode>(num)(&V)

> 0
> query CCM value

> <ccm>(str)

> Three bytes of the current CCM value in hexadecimal format (e.g. "00001E" indicates decimal value 30); bytes are similarly coded as ACMmax value in the SIM 000000-FFFFFF.