Data Sheet

SIM900 AT Commands Set
SIM900_ATC_V1.00 190 15.01.2010
text search.
Deleting an entry
from the current
phonebook specified
by its position index.
AT+CPBW=2,”10086 ”
AT+CPBR=1,10
OK
[a listing of phonebook contents]
OK
10.3 General Commands
Demonstration Syntax Expect Result
Displays the current network operator
that the handset is currently registered
with.
AT+ CO PS ? +COPS: 0,0,”CHINA
MOBILE”
OK
Display a full list of network operator
names.
AT+COPN +COPN:”20201”,
“COSMO”
[skip a bit]
+COPN:
"901012","Maritime Comm
Partner AS"
OK
Power down the phone – reducing its
functionality. This will deregister the
handset from the network.
AT+ IP R?
AT+CFUN=0
[wait for deregister]
ATD6241xxxx;
AT+CFUN=1
+IPR: 0
OK
OK
ERROR
OK
Request the IMSI AT+CIMI 460008184101641
OK
10.4 Call Control Commands
Demonstration Syntax Expect Result
Make a voice call ATD6241xxxx; OK
MS makes a voice call
Hang up a call ATH OK
Call dropped
Make a voice call using the last number
facility. The initial call is established
then cancelled. The second call is made
using the previous dial string.
ATD6241xxxx;
ATH
ATD L
OK
OK
OK
Example of a MT voice call Make MT voice call to
MS.
RING
RING