Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 368 2015-08-03
AT+CMMSDOWN=“
TITLE”,3,5000
AT+CMMSRECP=“1
3918181818”
AT+CMMSSEND
CONNECT
... ...
OK
OK
……
OK
Receive MMS
When received a MMS push
message,UART will output message,such
as “+CMTI: "SM",3,"MMS PUSH"”
AT+CMMSE DIT=0
AT+CMMSR ECV=3
AT+CMGD=3
OK
+CMMSRECV:
"[phone]",
"2008-05-02, 03:38:12","",
26670
1, "image0.jpg",7,26625
OK
OK
Receive MMS when the MMS push
message is a concatenated message.
UART output messages:
+CMTI: "SM",1,"MMS PUSH",2,1
+CMTI: "SM",2,"MMS PUSH",2,2
+CMTI: "SM",1,"MMS PUSH"
AT+CMMSE DIT=0
AT+CMMSR ECV=1
AT+CMGD=1
OK
+CMMSRECV:
"[phone]","2009-04-1
5,10:41:21","",49
1,"text0.txt",4,7
OK
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
//start DDET, interval
is 0, report mode is 0
OK
Set up a call connection ATD***********; OK
If module detected DTMF,
URC will be reported via
serial port