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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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