Data Sheet

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 361 2015-08-03
20.5 SIM Toolkit Commands
Please refer to SIM800 Series_STK_Application Note.DOC
20.6 Audio Commands
Demonstration Syntax Expect Result
DTMF tones AT+CLDTMF=2,
"1,2,3,4,5"
OK
AT+CLDTMF=2,”A,B
,C,D,E,F”,50
OK
20.7 SMS Commands
Demonstration Syntax Expect Result
Set SMS system into text mode, as
opposed to PDU mode.
AT+CMGF= 1 OK
Send an SMS to myself. AT+CSCS="GSM"
AT+CMGS="+861391
818xxxx"
>This is a test
<Ctrl+Z>
OK
+CMGS:34
OK
Unsolicited notification of the SMS
arriving
+CMTI: "SM",1
Read SMS message that has just arrived.
Note: the number should be the same as
that given in the +CMTI notification.
AT+CMGR=1 +CMGR: "REC UNREAD",
"[phone]", "","02
/01/30,20:40:31+00"
This is a test
OK
Reading the message again and change
the status to "READ” from ”UNREAD”
AT+CMGR=1 +CMGR: "REC READ",
"[phone]","",
"02/01/30,20:40:31+00"
This is a test
OK
Send another SMS to myself. AT+CMGS="+861391
818xxxx"
>Test again<Ctrl+Z>
+CMGS:35
OK
Unsolicited notification of the SMS
arriving
+CMTI: "SM",2
List all SMS messages. AT+CMGL="ALL" +CMGL: 1, "REC