Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 58 12/24/2010
Response
TA returns <IMSI>for identifying the individual SIM which is attached to
ME.
<IMSI>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Execution
Command
AT+CIMI
Parameter
<IMSI> International Mobile Subscriber Identity (string without
double quotes)
Reference
GSM 07.07 [13]
Note
3.2.16 AT+CLCC List Current Calls of ME
AT+CLCC List Current Calls of ME
Response
+CLCC: (0,1)
OK
Test Command
AT+CLCC=?
Parameters
See Write Command
Response
+CLCC: <n>
OK
Read Command
AT+CLCC?
Parameters
See Write Command
Response
OK
Write Command
AT+CLCC=<n>
Parameter
<n> 0 Don’t report a list of current calls of ME automatically
when the current call status changes.
1 Report a list of current calls of ME automatically when the
current call status changes.