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Modem Emulator - GPRS

The AT commands in this section are used for setting up GPRS connections.

AT+CGDATA Enter Data State

The AT+CGDATA command is used to enter the GPRS data state. In this implementation, it is identical to ATD*99***1#.

CommandPossible Responses
AT+CGDATA=[<L2P>[,<cid>[,<cid>[,...]]]]CONNECT, ERROR
AT+CGDATA=?+CGDCONT:

Conforms with: 3GPP TS 27.007.

AT+CGDCONT Define PDP context

The AT+CGDCONT command is used to select the Packet Data Protocols and Packet Domain.

CommandPossible Responses
AT+CGDCONT=[<cid>[,<PDP_type>[,<APN>]]]
  • OK
  • ERROR
AT+CGDCONT?+CGDCONT: <cid>,<PDP_type>,<APN>
AT+CGDCONT=?+CGDCONT: (1),"IP",

Conforms with: 3GPP TS 27.007.

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