Data Sheet

SIM900 AT Commands Set
Reference Note
GSM 07.07 [14] z GSM 02.02[1]: lists the allowed combinations of the sub parameters
z It only supports the speed of 9600bps when in non-transparent mode.
3.2.5 AT+CCFC Call Forwarding Number And Conditions
AT+CCFC Call Forwarding Number And Conditions Control
SIM900R01_ATC_V1.00 50 15.01.2010
Response
+CCFC: (list of supported <reason>s)
OK
Test Command
AT+CCFC=?
Parameters
see Write Command
Response
TA controls the call forwarding supplementary service. Registration,
erasure, activation, deactivation, and status query are supported.
Only ,<reads> and <mode> should be entered with mode (0-2,4)
If <mode>≠2 and Command successful
OK
If <mode>=2 and Command successful (only in connection with <reads> 0
–3)
For registered call forwarding numbers:
when <mode>=2 and command successful:
+CCFC: <status>,<class1> [,< number >,<t ype >[,< subaddr >,< sa t ype >[,<
time>]]]
[<CR><LF>+CCFC: <status>,<class2>
[,< number >,<t ype >[,< subaddr >,< sa t ype >[,< time>]]][…]
OK
If no call forwarding numbers are registered (and therefore all classes are
inactive):
+CCFC: <status>, <class>
OK
where <status>=0 and <class>=7
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CCFC =
<reason>,
<mode>
[, <number> [,
<type> [,<class>
[, <subaddr>
[,<satype>
[,time]]]]]]
Parameters
<reason>
0 unconditional
1 mobile busy
2 no reply
3 not reachable