Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 221 12/24/2010
AT+CPBS="SM" OK
Display the ranges of
phonebook entries
and list the contents
of the phonebook.
AT+CPBR=?
AT+CPBR=1,10
+CPBR: (1-250),40,14
OK
[a listing of phonebook contents]
OK
Write an entry to the
current phonebook.
AT+CPBW=,"13918
18xxxx",129,"Daniel"
AT+CPBR=1,10
OK
[a listing of phonebook contents]
OK
Find an entry in the
current phonebook
using a text search.
AT+CPBF="Daniel" +CPBF:5, "13918186089",129,"Daniel"
OK
Delete 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
13.3 General Commands
Demonstration Syntax Expect Result
Display 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
reduce 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