GPRS module at Instruction Set (6)

VII. Add service commands

At + ccfc	The call continues.
At + clck	Call prohibited.
At + CPWD	Change the append service password.
At + ccwa	Call wait.
At + clir	Call Line validation restrictions.
At + clip	Call Line confirmation statement.
At + Colp	Contact Line confirmation statement.
At + caoc	Expense report.
At + CACM	Cumulative call measurement.
At + camm	Maximum cumulative call measurement.
At + cpuc	Unit price and currency table.
At + chld	Call-related append service.
At + CLCC	List current calls.
At + cssn	Append service notification.
At + cusd	Unorganized append service data.
At + ccug	Closed user group.

8. Data commands

At + cbst	Select the message type.
At + fclass	Select a mode. This command sets the module to a special mode for data or fax operations.
At + Cr	Service Report control. This command allows more detailed service reports.
At + CRC	Division result code. This command allows more detailed ringtone instructions when the call arrives.
At + ilrr	Local DTE-DCE rate report.
At + crlp	Radio communication line protocol parameters.
At + dopt	Other radio communication line parameters.
At % C	Data Compression options.
At + DS	Whether to allow v42 dual-degree data compression.
At + Dr	Whether to report v42 dual data compression.
At/n	Data Error Correction options.