Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 48 12/24/2010
setting is possible in case of 3.1kHz modern and
non-transparent service)
7 9600 bps (V.32)
71 9600 bps (V.110 or X.31 flag stuffing)
Supported if UMTS_FTR is activated
<name> 0
Data circuit asynchronous (UDI or 3.1 kHz modem)
<ce> 1 Non-transparent
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=?
Parameter
See Write Command
Write Command
AT+CCFC =
<reason>,
<mode>
[, <number> [,
<type> [,<class>
[, <subaddr>
[,<satype>
[,time]]]]]]
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>