SIM800 datasheet(208/380 Pages) SIMCOM

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Smart Machine Smart Decision

SIM800 Series_AT Command Manual_V1.09

208

2015-08-03

7 AT Commands for GPRS Support

7.1 Overview of AT Commands for GPRS Support

Command

Description

AT+CGATT

Attach or detach from GPRS service

AT+CGDCONT

Define PDP context

AT+CGQMIN

Quality of service profile (minimum acceptable)

AT+CGQREQ

Quality of service profile (requested)

AT+CGACT

PDP context activate or deactivate

AT+CGDATA

Enter data state

AT+CGPADDR

Show PDP address

AT+CGCLASS

GPRS mobile station class

AT+CGEREP

Control unsolicited GPRS event reporting

AT+CGREG

Network registration status

AT+CGSMS

Select service for MO SMS messages

7.2 Detailed Descriptions of AT Commands for GPRS Support

7.2.1 AT+CGATT

Attach or Detach from GPRS Service

AT+CGATT

Attach or Detach from GPRS Service

Response

+CGATT: (list of supported <state>s)

Test Command

AT+CGATT=?

Parameters

See Write Command

Response

+CGATT: <state>

Read Command

AT+CGATT?

Parameters

See Write Command

Response

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CGATT=<st

ate>

Parameters

<state>

Indicates the state of GPRS attachment

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