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SIM900 AT Command Manual

SIM900_AT Command Manual_V1.03 149 12/24/2010

Response

MULTISLOT CLASS: (4,8,9,10)

Test Command

AT+CGMSCLA

SS=?

Parameter

See Write Command

Response

MULTISLOT CLASS: <class>

Read Command

AT+CGMSCLA

SS?

Parameter

See Write Command

Response

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CGMSCLA

SS=<class>

Parameter

<class> GPRS multi-slot class

Reference

Note

6.2.43 AT+CDEVICE View Current Flash Device Type

AT+CDEVICE View Current Flash Device Type

Read Command

AT+CDEVICE?

Response

Device Name: (Current flash device type)

Reference

V.25ter

Note

6.2.44 AT+CCALR Call Ready Query

AT+CCALR Call Ready Query

Response

+CCALR: (list of supported <mode>s)

Test Command

AT+CCALR=?

Parameter

<mode> a numeric parameter which indicates whether the module is

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Elec Freaks Bluetooth Modem Spezifikationen Seite 149