Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 539)

Supplementary Services Commands
Advice Of Charge +CAOC
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WM_DEV_OAT_UGD_049 - 001 VOLUME 3 August 23, 2007
20.11 Advice Of Charge +CAOC
20.11.1 Description
This commands allows to configure the Advice Of Charge (AOC) supplementary
service (GSM 02.24 [22] and GSM 02.86 [23] ) which enables the subscriber to
obtain information on call cost.
20.11.2 Syntax
Action command
AT+CAOC=<mode>
[+CAOC: <ccm>]
OK
Read command
AT+CAOC?
+CAOC: <mode>
OK
Test command
AT+CAOC=?
+CAOC: (list of supported <mode>s)
OK
Unsolicited response
+CCCM: <ccm>