Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 134 / 231
OK
9.11. AT+CMSS Send Message from Storage
The Write Command sends messages with location value <index> from message storage <mem2> to
the network. If a new recipient address <da> is given for SMS-SUBMIT, it shall be used instead of the one
stored with the message.
Parameter
AT+CMSS Send Message from Storage
Test Command
AT+CMSS=?
Response
OK
Write Command
AT+CMSS=<index>[,<da>[,<toda>]]
Response
TA sends message with location value <index> from
message storage <mem2> to the network (SMS-SUBMIT). If
new recipient address <da> is given, it shall be used instead
of the one stored with the message. Reference value <mr> is
returned to the TE on successful message delivery. Values
can be used to identify message upon unsolicited delivery
status report result code.
If in text mode (AT+CMGF=1) and sent successfully:
+CMSS: <mr>[,<scts>]
OK
If in PDU mode (AT+CMGF=0) and sent successfully:
+CMSS: <mr> [,<ackpdu>]
OK
If there is any error related to ME functionality:
+CMS ERROR: <err>
Maximum Response Time
120s, determined by network.
Reference
3GPP TS 27.005
<index> Integer type value in the range of location numbers supported by the associated
memory.
<da> Destination Address. 3GPP TS 23.040 TP-Destination-Address Address-Value field in
string format. BCD numbers (or GSM 7 bit default alphabet characters) are

Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC