Specifications

SIM900 AT Commands Set
Reference
GSM 07.07 [14]
Note
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 Control
AT+CCFC Call Forwarding Number and Conditions Control
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>,<type>[,<subaddr>,<satype>[,<
time>]]]
[<CR><LF>+CCFC: <status>,<class2>
[,<number>,<type>[,<subaddr>,<satype>[,< 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
4 all call forwarding
SIM900_ATC_V1.01 50 23.06.2010