4G module setting message format+CMGF

 

Grammar structure

Command	Response
+CMGF=[<mode>]	OK +CME ERROR:<err>
+CMGF?	+CMGF:<mode>
+CMGF=?	+CMGF: (listof supported<mode>s)

 

Description of command

 

 

4G module setting command can be used to select the coding format of message, and there are two modes of format, namely PDU mode and text mode, which is decided by <mode> parameter. Setting of CMGF will influence the operational parameter and return parameter of CMGR, CMGL, CMGS, CMGW, and other commands. Generally, ME side only needs to realize either PDU or text message mode, and PDU mode is recommended.

 

Explanation of value

　　<mode>: working mode

Value	Meaning
0	PDU mode/p>
1	Text mode (unavailable now)

 

 

　<mt>:MT message

Value	Meaning
0	Unavailable
1	Available

 

　<mo>:MO message

Value	Meaning
0	Unavailable
1	Available

 

 

　<bm>:CBS message

Value	Meaning
0	Unavailable
1	Available

　  Typical case

　　Request: AT+CMGF=?<CR>

　　Response: <CR><LF>+CMGF:(0-1)<CR><LF><CR><LF>OK<CR><LF>

　　Request: AT+CMGF?<CR> Response: <CR><LF>+CMGF:0<CR><LF><CR><LF>OK<CR><LF>

　　Request: AT+CMGF=0<CR>

　　Response: <CR><LF>OK<CR><LF>