Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 193 23.06.2010
of phonebook entries
and listing the
contents of the
phonebook.
AT+CPBR=1,10
OK
[a listing of phonebook contents]
OK
Writing an entry to
the current
phonebook.
AT+CPBW=,"13918
18xxxx", ,"Daniel"
AT+CPBR=1,10
OK
[a listing of phonebook contents]
OK
Finding an entry in
the current
phonebook using a
text search.
AT+CPBF="Daniel" +CPBF:5, "13918186089",129,"Daniel"
OK
Deleting an entry
from the current
phonebook specified
by its position index.
AT+ CP BW= 2
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