LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 129 / 231
Example
+CMTI: “SM”,3 //Indicates that new message has been received and saved
to <index>=3 of “SM”
AT+CSDH=1
OK
AT+CMGR=3 //Read message
+CMGR: “REC UNREAD”,“+8615021012496”,,“13/12/13,15:06:37+32”,145,4,0,0,“+861380021050
0”,145,27
<This is a test from Quectel>
OK
9.8. AT+CMGS Send Message
The Write Command sends a short message from TE to network (SMS-SUBMIT). After invoking the write
command, wait for the prompt “>” and then start to write the message. After that, enter <CTRL-Z> to
indicate the ending of PDU and begin to send the message. Sending can be cancelled by giving <ESC>
character. Abortion is acknowledged with “OK”, though the message will not be sent. The message
reference <mr> is returned to the TE on successful message delivery. The value can be used to identify
message upon unsolicited delivery status report result code.
5 Korean
6 Chinese
7 Hebrew
<type> 0 Normal
1 CPT
2 Voice Mail
3 SMS Report
<mem1> Messages to be read and deleted from this memory storage
“SM” (U)SIM message storage
“ME” Mobile equipment message storage
“MT” Same as “ME” storage
Write Command
1) If text mode (AT+CMGF=1):
AT+CMGS=<da>[,<toda>]<CR>
text is entered
Response
TA sends message from TE to the network (SMS-SUBMIT).
Message reference value <mr> is returned to the TE on
successful message delivery. Optionally (when AT+CSMS
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