Quectel EC2 Series Installation instructions

EC2x&EG9x&EM05 MMS
AT Commands Manual
LTE Module Series
Rev. EC2x&EG9x&EM05_MMS_AT_Commands_Manual_V1.0
Date: 2017-12-08
Status: Released
www.quectel.com

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Tel: [phone]
Email: [email protected]om
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http://quectel.com/support/technical.htm
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GENERAL NOTES
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Copyright © Quectel Wireless Solutions Co., Ltd. 2017. All rights reserved.

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About the Document
History
Revision
Date
Author
Description
1.0
2017-12-08
Duke XIN/
Haley HUANG
Initial

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Contents
About the Document...................................................................................................................................2
Contents.......................................................................................................................................................3
Table Index...................................................................................................................................................4
1Introduction..........................................................................................................................................5
1.1. The Process of Sending MMS Messages ..................................................................................5
2Description of MMS AT Commands...................................................................................................7
2.1. AT+QMMSCFG Configure Parameters of MMS......................................................................7
2.2. AT+QMMSEDIT Edit MMS Messages ...................................................................................10
2.2.1. Add Recipients............................................................................................................... 11
2.2.2. Add CC Recipients or BCC Recipients..........................................................................12
2.2.3. Edit the Title of MMS Messages ....................................................................................12
2.2.4. Add Attachments............................................................................................................13
2.2.5. Clear all Contents of MMS Messages ...........................................................................14
2.3. AT+QMMSEND Send MMS Messages..................................................................................15
3Examples ............................................................................................................................................17
3.1. Send MMS Messages...............................................................................................................17
4Error Handling....................................................................................................................................21
4.1. Executing MMSAT Commands Fails .......................................................................................21
4.2. PDPActivation Fails..................................................................................................................21
4.3. Error Response ofAT+QMMSEND...........................................................................................21
5Summary of Error Codes ..................................................................................................................22
6Description of HTTP(S) Response Codes.......................................................................................24
7Appendix A References.....................................................................................................................25

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Table Index
TABLE 1: SUMMARY OF ERROR CODES ...................................................................................................... 22
TABLE 2: DESCRIPTION OF HTTP(S) RESPONSE CODE............................................................................ 24
TABLE 3: RELATED DOCUMENTS.................................................................................................................. 25
TABLE 4: TERMS AND ABBREVIATIONS........................................................................................................ 25

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1Introduction
Quectel EC2x&EG9x&EM05 modules provide MMS application interface for sending messages including
multimedia objects (image, audio, rich text, etc.). This document is a reference guide to all the AT
commands defined for MMS.
This document is applicable to following Quectel modules.
EC2x (including EC25, EC21, EC20 R2.0 and EC20 R2.1)
EG9x (including EG91 and EG95)
EM05
1.1. The Process of Sending MMS Messages
Step 1: Configure and activate a PDP context.
1) Configure <APN>, <username>, <password> and other parameters of a PDP context by
AT+QICSGP. Please refer to Quectel_EC2x&EG9x&EM05_TCP(IP)_AT_Commands_Manual
for details. If QoS settings need to be updated, configure them by AT+CGQMIN, AT+CGEQMIN,
AT+CGQREQ and AT+CGEQREQ commands. For more details, please refer to
Quectel_EC25&EC21_AT_Commands_Manual, Quectel_EG9x_AT_Commands_Manual and
Quectel_EM05_AT_Commands_Manual.
2) Activate the PDP context byAT+QIACT.
3) Configure the PDP context ID for MMS byAT+QMMSCFG="contextid",<contextID>.
Step 2: Configure URL and proxy of MMSC.
1) Configure the URL of MMSC by AT+QMMSCFG="mmsc",<URL>.
2) Configure the proxy of MMSC byAT+QMMSCFG="proxy",<gateway>,<port>.
Step 3: Configure sending parameters by AT+QMMSCFG="sendparam",<valid>,<pri>,<sendrep>,<vi
sible>,<class>.
Step 4: Edit MMS messages.
1) Add recipients’ address by AT+QMMSEDIT=1,1,<optstring>.
2) Add CC recipients’ address by AT+QMMSEDIT=2,1,<optstring>.
3) Add BCC recipients’ address by AT+QMMSEDIT=3,1,<optstring>.
4) Edit the title by AT+QMMSEDIT=4,1,<optstring>. The character set should be specified as title
byAT+QMMSCFG="character ",<charset> first.
5) Add attachments byAT+QMMSEDIT=5,1,<optstring>. The attachments can be RAM, UFS or SD
files. And the files can be uploaded to RAM, UFS or SD card by AT+QFUPL command. After

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sending MMS messages successfully, the file should be deleted by AT+QFDEL command. If the
attachment is a text file, the character set should be specified by
AT+QMMSCFG="character",<charset> first. For more details, please refer to
Quectel_EC2x&EG9x&EM05_FILE_AT_Commands_Munual.
Step 5: Send MMS messages by AT+QMMSEND=<timeout>. It may take some time to send MMS
messages successfully. MMS messages should be sent again before output of “+QMMSEND:
<err>,<httprsp>[,<mmsrsp>]” which indicates the ending of sending MMS messages.
Step 6: Clear the content of an MMS message by AT+QMMSEDIT=0 and delete the files as attachments
by AT+QFDEL. For more details, please refer to Quectel_EC2x&EG9x&EM05_FILE_AT_
Commands_Munual.
Step 2 to Step 6 can be repeated, and Step 4 to Step 6 can be repeated too.

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2Description of MMS AT Commands
2.1. AT+QMMSCFG Configure Parameters of MMS
The command can be used to configure PDP context ID, MMSC, proxy, character type and other MMS
parameters. If the Write Command only executes one parameter, it will query the current settings.
AT+QMMSCFG Configure Parameters of MMS
Test Command
AT+QMMSCFG=?
Response
+QMMSCFG: "contextid",(1-16)
+QMMSCFG: "mmsc",<URL>
+QMMSCFG: "proxy",<gateway>,(1-65535)
+QMMSCFG:
"character",("ASCII","UTF8","UCS2","GBK")
+QMMSCFG:
"sendparam"[,(0-6),(0-3),(0,1),(0,1),(0-2),(0-4)]
+QMMSCFG: "supportfield",(0,1)
OK
Write Command
AT+QMMSCFG="contextid"[,<contex
tID>]
Response
If <contextID> is not omitted:
OK
Or
+CME ERROR: <err>
If <contextID> is omitted, query the current settings:
+QMMSCFG: "contextid",<contextID>
OK
Write Command
AT+QMMSCFG="mmsc"[,<URL>]
Response
If <URL> is not omitted:
OK
Or
+CME ERROR: <err>
If <URL> is omitted, query the current settings:

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+QMMSCFG: "mmsc",<URL>
OK
Write Command
AT+QMMSCFG="proxy"[,<gateway>,
<port>]
Response
If <gateway> and <port> are not omitted,
OK
Or
+CME ERROR: <err>
If <gateway> and <port> are both omitted, query the current
settings:
+QMMSCFG: "proxy",<gateway>,<port>
OK
Write Command
AT+QMMSCFG="character"[,<charse
t>]
Response
If <charset> is not omitted,
OK
Or
+CME ERROR: <err>
If <charset> is omitted, query the current settings:
+QMMSCFG: "character",<charset>
OK
Write Command
AT+QMMSCFG="sendparam"[,<valid
>,<pri>,<sendrep>,<readrep>,<visibl
e>,<class>]
Response
If <valid>, <pri>, <sendrep>, <readrep>, <visible>, <class>
are not omitted:
OK
Or
+CME ERROR: <err>
If <valid>, <pri>, <sendrep>, <readrep>, <visible>, <class>
are all omitted, query the current settings:
+QMMSCFG:
"sendparam",<valid>,<pri>,<sendrep>,<readrep>,<visible
>,<class>
OK
Write Command
AT+QMMSCFG="supportfield"[,<mod
e>]
Response
If <mode> is not omitted,
OK
Or
+CME ERROR: <err>

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Parameter
If <mode> is omitted, query the current settings:
+QMMSCFG: "supportfield",<mode>
OK
<contextID> Integer type. The PDP context ID. The range is 1-16, and the default value is 1.
<URL> String type. The address of MMSC. The maximum length of URL is 100 bytes.
<gateway> String type. The IP address of MMS proxy. The maximum length of gateway is 50
bytes.
<port> Integer type. The port of MMS proxy. The range is 1-65535.
<charset> String type. The type of character set.
“ASCII”US-ASCII character set
“UTF8” UTF8 character set
“UCS2” ISO-10646-UCS-2 character set, big-endian order needs to be specified
“GBK” GBK character set
<valid> Integer type. The validity period of the MMS message.
0 1 hour
1 12 hours
2 24 hours
3 2 days
4 1 week
5 Maximum
6 Based on network configuration
<pri> Integer type. The priority of the MMS message.
0 Low
1 Normal
2 High
3 Based on network configuration
<sendrep> Integer type. Whether to deliver report.
0 No
1 Yes
<readrep> Integer type. Whether to read report.
0 No
1 Yes
<visible> Integer type. Whether to hide address.
0 Hide any address
1 Show all addresses, including BCC address
2 Based on network configuration
<class> Integer type. The class of the MMS message.
0 Personal
1 Advertisement
2 Informational

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2.2. AT+QMMSEDIT Edit MMS Messages
The command can be used to add the recipient address, edit title and add attachments for MMS
messages. The character set of title or text file is set by AT+QMMSCFG="character",<charset>. For
example, if the content of a text file uses UTF8 character set, AT+QMMSCFG="character","UTF8" must
be executed first.
3 Auto
4 Based on the network configuration
<mode> Integer type. The header option of MMS x-up-calling-id.
0 Do not add the header option of MMS x-up-calling-id
1 Add the header option of MMS x-up-calling-id
<err> Integer type. The error code of the operation. Please refer to Chapter 5.
AT+QMMSEDIT Edit MMS Messages
Test Command
AT+QMMSEDIT=?
Response
+QMMSEDIT: (0-5),(0,1),<optstring>
OK
Write Command
AT+QMMSEDIT=0
Delete all contents about MMS messages, response:
OK
Or
+CME ERROR: <err>
Write Command
AT+QMMSEDIT=<function>
<function> is not 0
Query the specified settings of <function>, response:
List of [+QMMSEIDT: <function>,<optstring>]
OK
Or
+CME ERROR: <err>
Write Command
AT+QMMSEDIT=<function>,0
Delete the specified settings of <function>,
response:
OK
Or
+CME ERROR: <err>
Write Command
AT+QMMSEDIT=<function>,1,<optstring>
Configure the specified settings of <function>,
response:
OK
Or
+CME ERROR: <err>

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Parameter
The following examples show how to edit an MMS message.
2.2.1. Add Recipients
//Add phone number or email address as a recipient. The maximum number of recipients is 6.
AT+QMMSEDIT=1,1,"13856122546" //Add a phone number as a recipient.
OK
AT+QMMSEDIT=1,1,"recipient [e-mail]" //Add an email address as a recipient.
OK
AT+QMMSEDIT=1 //Query the recipients’ address.
+QMMSEDIT: 1,"13856122546"
+QMMSEDIT: 1,"[e-mail]"
OK
//Delete the recipients by executing AT+QMMSEDIT=1,0.
AT+QMMSEDIT=1,0 //Delete a recipient.
OK
AT+QMMSEDIT=1 //Query the recipients’ address.
OK
<function> Integer type. Operated function.
0 Delete all
1Operate “TO address”
2Operate “CC address”
3Operate “BCC address”
4Operate title
5Operate file as attachment
<optstring> String type.
If <function>=1, 2 or 3, it is the recipient address. The maximum number of “TO
address”, “CC address” and “BCC address” is 6. The maximum length of address is 50
bytes.
If <function>=4, it is the title. The maximum length of title is 200 bytes.
If <function>=5, it is the file name of attachment. If the file name is started with “RAM”,
“UFS”or “SD” it indicates the file is from RAM, UFS or SD card respectively. It is
strongly recommended to use files from RAM as attachments. The max length of file
name is 80 bytes, the maximum number of attachments is 12, and the maximum size
of attachments is restricted by the operator.
<err> Integer type. The error code of the operation. Please refer to Chapter 5.

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2.2.2. Add CC Recipients or BCC Recipients
//The operation of adding CC recipients differs from adding BCC recipients only in <function> value. For
CC recipients, the <function> value is 2. For BCC recipients, it is 3.
AT+QMMSEDIT=2,1,"13856122546" //Add a phone number as a CC recipient.
OK
AT+QMMSEDIT=2 //Query the CC recipient address.
+QMMSEDIT: 2,"13856122546"
OK
//Delete the CC recipient by executing AT+QMMSEDIT=2,0.
AT+QMMSEDIT=2,0 //Delete the CC recipient.
OK
AT+QMMSEDIT=2 //Query the CC recipient address.
OK
2.2.3. Edit the Title of MMS Messages
//The character set of title is set by AT+QMMSCFG="character",<charset>. If the <charset> is “ASCII”,
add the title as follows:
AT+QMMSCFG="character","ASCII" //Set the charset as “ASCII”.
OK
AT+QMMSEDIT=4,1,"test EM05 mms" //Edit the title of the MMS message.
OK
AT+QMMSEDIT=4 //Query the title of the MMS message.
+QMMSEDIT: 4,"ASCII","test EM05 mms"
OK
//If the <charset> is not ASCII, the <optstring> should be the hex string of the inputted data.
AT+QMMSCFG="character", "UTF8" //Set the charset as “UTF8”.
OK
AT+QMMSEDIT=4,1,"7465737420454D3035206D6D73" //Edit the title of MMS message.
“7465737420454D3035206D6D73” is
the hex string of “test EM05 MMS” in
UTF8.
OK
AT+QMMSEDIT=4 //Query the title of the MMS message.
+QMMSEDIT: 4,"UTF8","7465737420454D3035206D6D73"
OK

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//Delete the title by executingAT+QMMSEDIT=4,0.
AT+QMMSEDIT=4,0 //Delete the title of the MMS message.
OK
AT+QMMSEDIT=4 //Query the title of the MMS message.
OK
2.2.4. Add Attachments
//Customers can add attachments for an MMS message. The attachments can be RAM, UFS and SD files,
but it is strongly recommended to use RAM files. The maximum number of attachments is 12, and the
maximum length of file name is 80 bytes. The total size of attachments may be restricted by the operator.
In the following example, the attachment is an RAM text file:
AT+QFUPL="RAM:test_mms.txt",100,200,1 //Upload a file to RAM. The file will be saved as
“test_mms.txt” and the maximum size of file is 100
bytes. 200 indicates timeout value, and 1 indicates
ACK mode. For more details, please refer to
Quectel_EC2x&EG9x&EM05_FILE_AT_Commands_
Manual.
CONNECT
<Input 100 bytes data>
+QFUPL: 100,0
OK
AT+QFLST="RAM:*" //Query the file list of RAM.
+QFLST: "RAM:test_mms.txt",100
OK
AT+QMMSCFG="character","ASCII" //Set the charset as “ASCII” for “RAM:test_mms.txt”.
OK
AT+QMMSEDIT=5,1,"RAM:test_mms.txt" //Add attachments for the MMS message.
OK
AT+QMMSEDIT=5 //Query the attachments.
+QMMSEDIT: 5,"RAM:test_mms.txt"
OK
//In the following example, the attachment is an RAM JPG file:
AT+QFUPL="RAM:test_pic.jpg",200,300,1 //Upload a file to RAM. The file will be saved as
“test_pic.jpg” and the maximum size of file is 200 bytes.
300 indicates timeout value, and 1 indicates ACK mode.
For more details, please refer to
Quectel_EC2x&EG9x&EM05_FILE_AT_Commands_

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Manual.
CONNECT
<Input 200 bytes data>
+QFUPL: 200,0
OK
AT+QFLST="RAM:*" //Query the file list of RAM.
+QFLST: "RAM:test_mms.txt",100
+QFLST: "RAM:test_pic.jpg",200
OK
AT+QMMSEDIT=5,1,"RAM:test_pic.jpg" //“RAM:test_pic.jpg” is not a text file. There is no need to
specify the character set.
OK
AT+QMMSEDIT=5 //Query the attachments.
+QMMSEDIT: 5,"RAM:test_mms.txt"
+QMMSEDIT: 5,"RAM:test_pic.jpg"
OK
//Delete the attachments by executingAT+QMMSEDIT=5,0.
AT+QMMSEDIT=5,0 //Delete attachments for the MMS message. All
attachments will be deleted.
OK
AT+QMMSEDIT=5 //Query the attachments.
OK
//After the MMS message is sent successfully, RAM files should be deleted byAT+QFDEL.
AT+QFDEL="RAM:test_mms.txt" //Delete the RAM file.
OK
AT+QFDEL="RAM:test_pic.jpg" //Delete the RAM file.
OK
AT+QFLST="RAM:*" //Query the file list of RAM.
OK
2.2.5. Clear all Contents of MMS Messages
//Delete the content, recipients, CC recipients, BCC recipients, title and attachments of an MMS message
byAT+QMMSEDIT=0.
AT+QMMSEDIT=0 //Clear all contents of the MMS message.
OK
AT+QMMSEDIT=1 //Query the recipients.
OK

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AT+QMMSEDIT=2 //Query the CC recipients.
OK
AT+QMMSEDIT=3 //Query the BCC recipients.
OK
AT+QMMSEDIT=4 //Query the title of the MMS message.
OK
AT+QMMSEDIT=5 //Query the attachments.
OK
2.3. AT+QMMSEND Send MMS Messages
AT+QMMSEND is used to send MMS messages. Customers should not re-execute AT+QMMSEND until
“+QMMSEND: <err>,<httprsp>,<mmsrsp>” is returned. When the <timeout> is reached, if the process of
sending MMS messages has not finished yet, MMS sending will be interrupted.
Parameter
AT+QMMSEND Send MMS Messages
Test Command
AT+QMMSEND=?
Response
+QMMSEND: (1-65535)
OK
Write Command
AT+QMMSEND=<timeout>
Response
OK
+QMMSEND: <err>,<httprsp>[,<mmsrsp>]
Or
+CME ERROR: <err>
<timeout> Integer type. The maximum time to send MMS messages. The range is 1-65535. Unit:
second.
<err> If MMS messages are sent successfully, <err> is 0. Otherwise, <err> indicates the error
code of the operation. Please refer to Chapter 5.
<httprsp> Integer type. The reply code of HTTP(S), for reference only. For example, 200 indicates
HTTP(S) posts data successfully. Please refer to Chapter 6.
<mmsrsp> String type. The reply string from MMSC when MMS messages failed to be sent, for
reference only.

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Example
AT+QMMSEND=100 //Send an MMS message.
OK
+QMMSEND: 0,200 //Indicate the result of sending the MMS message.

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3Examples
3.1. Send MMS Messages
//Step 1: Configure and activate a PDP context.
AT+QICSGP=1,1,"UNIWAP","" ,"",1 //Configure PDP context 1.APN is “UNIWAP” for
China Unicom.
OK
AT+QIACT=1 //Activate PDP context 1.
OK //Activated successfully.
AT+QIACT? //Query the state of PDP context.
+QIACT: 1,1,1,"10.7.157.1"
OK
AT+QMMSCFG="contextid",1 //Set the PDP context ID as 1. The PDP context ID
must be activated first.
OK
AT+QMMSCFG="contextid" //Query the PDP context ID.
+QMMSCFG: "contextid",1
OK
//Step 2: Configure the URL and proxy of MMSC.
AT+QMMSCFG="mmsc","mmsc.myuni.com" //Configure the URL of MMSC. “mmsc.myuni.com”
is for China Unicom.
OK
AT+QMMSCFG="mmsc" //Query the URL of MMSC.
+QMMSCFG: "mmsc","mmsc.myuni.com"
OK
AT+QMMSCFG="proxy","10.0.0.172",80 //Configure the proxy address and port of MMSC.
“10.0.0.172:80” is for China Unicom.
OK
AT+QMMSCFG="proxy" //Query the proxy address and port of MMSC.
+QMMSCFG: "proxy","10.0.0.172",80
OK

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//Step 3: Configure sending parameters.
AT+QMMSCFG="sendparam",6,2,0,0,2,4 //Configure the sending parameters.
OK
AT+QMMSCFG="sendparam" //Query the sending parameters.
+QMMSCFG: "sendparam",6,2,0,0,2,4
OK
//Step 4: Edit the MMS message.
AT+QMMSEDIT=1,1,"13856122546" //Add a phone number as a recipient.
OK
AT+QMMSEDIT=2,1,"copy[email protected]m" //Add an email address as a CC recipient.
OK
AT+QMMSEDIT=3,1,"[e-mail]" //Add an email address as a BCC recipient.
OK
AT+QMMSEDIT=1 //Query the recipient address.
+QMMSEDIT: 1,"13856122546"
OK
AT+QMMSEDIT=2 //Query the CC recipient address.
+QMMSEDIT: 2,"[e-mail]"
OK
AT+QMMSEDIT=3 //Query the BCC recipient address.
+QMMSEDIT: 3,"[e-mail]"
OK
AT+QMMSCFG="character","ASCII" //Configure the character type asASCII for title.
OK
AT+QMMSEDIT=4,1,"test EM05 mms" //Edit the title of the MMS message.
OK
AT+QMMSEDIT=4 //Query the title of the MMS message.
+QMMSEDIT: 4,"ASCII","test EM05 mms"
OK
//Add attachments.
AT+QFUPL="RAM:test_ram.txt",100,300,1 //Upload a file to RAM. The file will be saved as
“test_ram.txt” and the maximum size of file is 100
bytes. 300 indicates timeout value, and 1
indicates ACK mode. For more details, please
refer to Quectel_EC2x&EG9x&EM05_FILE_AT_
Commands_Manual.
CONNECT

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<Input 100 bytes data>
+QFUPL: 100,0
OK
AT+QFLST="RAM:* " //Query the file list of RAM.
+QFLST: "RAM:test_ram.txt",100
OK
AT+QMMSCFG="character","ASCII" //Configure the character type as ASCII for
“RAM:test_ram.txt”.
OK
AT+QMMSEDIT=5,1,"RAM:test_ram.txt" //Add attachments for the MMS message.
“test_ram.txt” is an RAM file.
OK
AT+QMMSEDIT=5 //Query the attachments.
+QMMSEDIT: 5,"RAM:test_ram.txt"
OK
AT+QFUPL="RAM:test_pic.jpg",200,300,1 //Upload a file to RAM. The file will be saved as
“test_pic.jpg” and the maximum size of file is 200
bytes. 300 indicates timeout value, and 1
indicates ACK mode. For more details, please
refer to Quectel_EC2x&EG9x&EM05_FILE_AT_
Commands_Manual.
CONNECT
<Input 200 bytes data>
+QFUPL: 200,0
OK
AT+QFLST="RAM:*"
+QFLST: "RAM:test_ram.txt",100 //Query the file list of RAM.
+QFLST: "RAM:test_pic.jpg",200
OK
AT+QMMSEDIT=5,1,"RAM:test_pic.jpg" //“RAM:test_pic.jpg” is not a text file. There is no
need to specify the character set.
OK
AT+QMMSEDIT=5 //Query the attachments.
+QMMSEDIT: 5,"RAM:test_ram.txt"
+QMMSEDIT: 5,"RAM:test_pic.jpg"
OK
//Step 5: Send the MMS message.