Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 150 15.01.2010
“BM” Band mode
Displays band mode (similar to AT+CBAND)in form +CBAND:
<band>when value changes.
“SM” Additional SMS Information
Displays additional information about SMS events in the form of
Unsolicited messages of the following format
+TSMSINFO: <CMS error info>
where <CMS error info> is a standard CMS error in the format
defined by the AT+CMEE command i.e. either a number or a
string.
“CC” Call information
Displays the disconnected call ID and the remain call numbers after
one of the call disconnected.
+CCINFO : <Call id Disconnected>,<Remain calls>
<mode>
0 disable
1 enable
Reference Note
Only “SQ” is supported currently.
6.2.39 AT+CGMSCLASS Change GPRS Multislot Class
AT+CGMSCLASS Change GPRS Multislot Class
Response
MULTISLOT CLASS: <class>
OK
Read Command
AT+CGMSCLA
SS?
Parameters
see write command
Test Command
AT+CGMSCLA
SS=?
Response
MULTISLOT CLASS: <4,8,9,10>
OK
Response
OK
ERROR
Write Command
AT+CGMSCLA
SS=<class>
Parameters
<class> GPRS multislot class
Reference Note