Data Sheet

Smart Machine Smart Decision
1, "image0.jpg",7,26625
OK
AT+CMGD=3 OK
Receive MMS when the MMS push
message is a concatenated message.
AT+CMMSE DIT =0 OK
UART output messages: AT +C MMSR ECV= 1 +CMMSRECV:
+CMTI: "SM",1,"MMS PUSH",2,1 "[phone]","2009-04-1
+CMTI: "SM",2,"MMS PUSH",2,2 5,10:41:21","",49
+CMTI: "SM",1,"MMS PUSH" 1,"text0.txt",4,7
OK
AT+CMGD=1 OK
Read a file of MMS AT+CMMSREAD=1 +CMMSREAD:
"image0.jpg", 26625
……
OK
Exit MMS function AT+CMMSTERM OK
20.16 DDET Commands
Demonstration Syntax Expect Result
enable DTMF detection AT+DDET=1,0,0 OK
//start DDET, interval
is 0, report mode is 0
Set up a call connection ATD***********; OK
If module detected DTMF,
URC will be reported via
serial port
+DTMF:1
//report DTMF value
+DTMF:2
+DTMF:3
Receive an incoming call ATA OK
If module detected DTMF,
URC will be reported via
serial port
+DTMF:1
//report DTMF value
SIM800 Series_AT Command Manual_V1.05 357 2014-07-31