Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 154 2012.12.10
If error is related to ME functionality:
+CME ERROR: <err>
<exunsol>,<mod
e>
Parameters
<exunsol> String type(string should be included in quotation marks).
Values are currently reserved by the present document
"SQ" Signal Quality Report
Displays signal strength and channel bit error rate (similar
to AT+CSQ) in form +CSQN: <rssi>,<ber>when values
change.
"UR" Unsolicited result code
Produces an unsolicited indication following particular call
state Transitions. Multiple notifications may occur for the
same transition
+CGURC: <event>
Where <event> describes the current call state:
<event>
0 Active call terminated, at least one held call remaining
1 Attempt to make an Mobile Originated call
2 Mobile Originated Call has failed for some reason
3 Mobile Originated call is ringing
4 Mobile Terminated call is queued (Call waiting)
5 Mobile Originated Call now connected
6 Mobile Originated or Mobile Terminated call has
disconnected
7 Mobile Originated or Mobile Terminated call hung up
8 Mobile Originated call to non-emergency number in
emergency mode
9 Mobile Originated call no answer
10 Mobile Originated call remote number busy
<mode>
0 Disable
1 Enable
2 Query
Reference Note
6.2.41 AT+CGMSCLASS Change GPRS Multislot Class
AT+CGMSCLASS Change GPRS Multislot Class
Test Command
AT+CGMSCLA
SS=?
Response
MULTISLOT CLASS: (2,4,8,9,10)
OK