Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 151 15.01.2010
6.2.40 AT+CDEVICE View Current Flash Device Type
AT+CDEVICE View Current Flash Device Type
Response
Device Name: (Current flash device type)
OK
ReadCommand
AT+CDEVICE?
Parameter
Reference
V.25ter
Note
6.2.41 AT+CCALR Call Ready Query
AT+CCALR Call Ready Query
Response
+CCALR: (list of supported <mode>s)
OK
Test Command
AT+CCALR=?
Parameter
<mode> a numeric parameter which indicates whether the
module is ready for phone call.
0 module is not ready for phone call
1 module is ready for phone call
Response
ME returns the status of result code presentation and an integer <n>
which shows whether the module is currently ready for phone call.
+CCALR: <n>
OK
Read Command
AT+CCALR?
Parameter
<mode>
See Test Command
Reference Note
z URC “Call Ready” will be presented after power on and initialize.
6.2.42 AT+GSV Display Product Identification Information
AT+GSV Display Product Identification Information