Specifications
SIM900 AT Command Manual       
SIM900_AT Command Manual_V1.03  40  12/24/2010 
OK 
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 Set TE-TA Local Data Flow Contro
l 
AT+IFC Set TE-TA Local Data 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 
Response 
This parameter setting determines the data flow control on the serial 
interface for data mode. 
OK 
Write Command 
AT+IFC=<dce_b
y_dte>[,<dte_by
_dce>] 
Parameters 
<dce_by_dte> Specifies the method will be used by TE at receive of 
data from TA 
     0 No flow control 










