Specifications
AT command set for XX Siemens mobile phones and modems   
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Document No.:  A30880-A10-A001-XX-
D376 
Revision: Master R75     
Revision Date:  29. September, 2004     
  88 
AT+FOPT 
AT+FOPT  Set bit order independently 
Used for FAX class 2 only 
Read command  Parameter:  
AT+FOPT? 
<opt> 
0 
non-standard 
1 
standard 
Write command 
AT+FOPT=<opt>  Model-specific command to set bit order independently of the understanding 
which is "mirrored" and which is direct. 
Response: 
OK 
Parameter: 
<opt> 
1 
see Read command 
AT+FPHCTO 
AT+FPHCTO  DTE Phase C Response Timeout 
Used for FAX class 2 only 
Determines how long the DCE will wait for a command after reaching the end of data when 
transmitting in Phase C. When time-out is reached, the DCE assumes that there are no more pages 
or documents to send 
Read command  Response: 
AT+FPHCTO? 
<tout> 
OK/ERROR 
Write command 
AT+FPHCTO=<tout> 
Response: 
<tout> 
OK/ERROR 
Parameter:  
<tout>  0...255
Time-out value in 100ms units. 
Default: 30
  Model-specific command to set bit order independently of the understanding 
which is "mirrored" and which is direct 
AT+FREV 
AT+FREV  Identify Product Revision 
Used for FAX class 2 only 
This command sends the revision identification to the TA. 
Read command  Response 
AT+FREV? 
V2.550 
OK 
AT+FRH 
AT+FRH  Receive Data Using HDLC Framing 










