AT Command Set - Olitec

6 GPRS AT commands in accordance with GSM 07.07This chapter provides GPRS specific AT commands. For information on using GPRS commands inmultiplex mode see chapter 4.28.6.1 Commands specific to MTs supporting GPRSThis clause defines commands that a TE (Terminal Equipment, i.e. an application running on a controllingPC) may use to control a GPRS MT (Mobile Termination, the Wireless Module). Refer roChapter 6.4 for selected examples of using GPRS AT commands.6.1.1 AT+CGATT GPRS attach and detachTest commandAT+CGATT=?The test command is used for requesting information on the supported GPRSservice states.Response+CGATT: (list of supported s)OK/ERROR/+CME ERRORParameterSee write commandRead commandAT+CGATT?The read command returns the current GPRS service state.Response+CGACT: OK/ERROR/+CME ERRORParameterSee write commandWrite commandAT+CGATT=[]The execution command enables the MT get attached to or detached from theGPRS service. After the command has completed, the MT remains in V.25tercommand state. If the MT is already in the requested state, the command is ignoredand the OK response is returned. Any active PDP contexts will be automaticallydeactivated when the attachment state changes to detached.If the MT is not able to attach for more than 5 minutes, the command returns anerror code, though the MT is still trying to attach.ParameterResponseOK/ERROR/+CME ERRORindicates the state of GPRS attachment0 – detached1 – attachedReferenceGSM 07.07Page 157 of 207