Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 41 23.06.2010
Response
This parameter setting determines the serial interface character framing
format and parity received by TA from TE.
OK
Write Command
AT+ICF=<forma
t>,[<parity>]
Parameters
<format> 1 8 data 0 parity 2 stop
2 8 data 1 parity 1 stop
3 8 data 0 parity 1 stop
4 7 data 0 parity 2 stop
5 7 data 1 parity 1 stop
6 7 data 0 parity 1 stop
<parity> 0 odd
1 even
3 space (0)
Reference
V.25ter
Note
z The Command is applied for Command state;
z In <format> parameter, “0 parity” means no parity;
z The <parity> field is ignored if the <format> field specifies no parity
and string “+ICF: <format>,255” will be response to AT+ICF?
Command.
2.2.40 AT+IFC TE-TA Local Flow Contro
l
AT+IFC TE-TA Local Flow Control
Response
+IFC: (list of supported <dce_by_dte>s), (list of supported
<dte_by_dce>s)
OK
Test Command
AT+IFC=?
Parameters
See Write Command.
Response
+IFC: <dce_by_dte>,<dte_by_dce>
OK
Read Command
AT+IFC?
Parameters
See Write Command.
Write Command
AT+IFC=<dce_b
y_dte>[,<dte_by
_dce>]
Response
This parameter setting determines the data flow control on the serial
interface for data mode.
OK