Chao at 05:08, 10 June 2020

2020-06-10T05:08:17Z

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{| class="wikitable sortable"
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! Excute !! Feedback !! Read !! Feedback !! Write !! Feedback !! Test !! Feedback !! Description
|-
| AT+CNMI || +CMTI:"SM",2 || - || - || - || - || - || - || Set the new message remind, for example AT+CNMI=2,1, when set is on and message box is NOT full, message is stored at position 2
|-
| - || - || AT+CMGF? || +CMGF: 1 || AT+CMGF=0 || OK || - || - ||
* Set the module message mode
* set either at PDU(0) or text mode(1)
|-
| - || - || AT+CSCS? || +CSCS:"GSM" || AT+CSCS="GSM" || OK || - || - ||
* Set TE character set, set AT+CSCS="GSM" for english only message
* or set AT+CSCS="UCS2" for other lanuage
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|}

== By AT Commands ==
* To end of send message, send 1A by hex
{| class="wikitable sortable"
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! Command !! Description !! Return !! Result

|-
| AT+CMGR || read message, for exmple, AT+CMGR=1 to read message at position 1 || - || -
|-
| AT+CMGS || send message, send 180 bytes at GSM mode, or 70 Chinese character at UCS2 mode, AT+CMGS="18576608994" || will return ">" and then type message, then end up with hex value 1A( 0X1A, "CTRL+Z"), send 1B to cancel "ESC" || and finally return: +CMGS:156, in which 156 has meaning.
|-
| AT+CMGS (e.g. Chinese SMS) || set AT+CMGR=1; AT+CSMP=17,167,2,25; AT+CSCS="UCS2" now the message can be by Unicode, AT+CMGS="00310035003100320034003500330032003600370032" (number 15124532672) || will return ">" and then type message 00530049004D00390030003000414E2D82F1658777ED4FE153D190016D4B8BD5, end with 1A || -
|-
| AT+CMGD || delete message, to delete message at postion 1: AT+CMGD=1 || OK || -
|-
| AT+CPMS || inquiry or set message storage settings || AT+CPMS? to check how many message can be stored maximally and how many message stored ||：+CPMS:"SM",1,50, means support 50 sms max and 1 sms are stored now
|}

=== send SMS steps (EN) ===
[[File:Send en sms.jpg|thumbnail]]
* General send SMS steps
<source lang="c">
AT+CSCA="+8613800755500" -> OK // set message center
AT+CMGF=1 // text mode
AT+CSCS="GSM" // EN mode
AT+CMGS="18576608994"
>
</source>
* Enter content, and end up with 1A to send, or 1B to cancel.

=== read SMS steps (EN) ===
[[File:Read en sms.jpg|thumbnail]]
pre-setup
AT+CMGF=1 // set message mode - text
AT+CSCS="GSM" // set message language mode - EN
AT+CNMI=2,1 // set new message remind
when get SM notification reminder on serial
"SM", 2 // 2 messages in inbox
AT+CMGR=2 // read message at position 2, AT+CMGL="ALL" is to read all
AT+CMGD=2 // delete SMS at position 2
* message will be received in unicode or hex, please convert the text

=== send SMS steps (CN) ===
[[File:Send cn sms.jpg|thumbnail]]
<source lang="c">
AT+CMGF=1 // set message mode - text
AT+CSCS="UCS2" // set message language mode - other language
AT+CSMP=17,167,2,25 // set the text mode parameters
AT+CMGS="00310035003100320034003500330032003600370032" // this is the phone number in UCS2
>
</source>
* after this, enter text message in HEX "00530049004D003700360030003000584E2D658777ED4FE16D4B8BD5", end up with 1A
=== resend SMS steps (CN) ===
[[File:Read cn sms.jpg|thumbnail]]
<source lang="c">
AT+CMGF=1 // set message mode - text
AT+CSCS="GSM" // set message language mode - EN
AT+CNMI=2,1 // set new message remind
</source>

Read new message - > AT+CMGR=21 // message number 21

== SMS ==
=== Setup ===
* AT+CMGF=1 // text mode
* AT+CSCS="GSM"
=== Send SMS ===
* AT+CMGS="18576608994" // end 0x1A to end

== Receive SMS ==
* AT+CNMI? -> +CNMI: 2,1,0,0,0

* Receive on time mssage: +CMTI: "SM",5
* Location at index 5
* read by AT+CMGR=5

{| class="wikitable sortable"
|-
! Read CMD !! Read feedback example !! Read Feedback Description !! Write Command !! Header text
|-
| AT+CPMS? || +CPMS: <mem1>,<used1>,<total1>,<mem2>,<used2>,<total2>,<mem3>,<used3>,<total3> || +CPMS:"SM",2,50,"ME",0,50,"MT",2,100 || -|| -
|-
| AT+CMGL=? || -|| -|| -|| -
|-
| -|| -|| -|| AT+CMGR=1 || read message at index 1
|-
| Example || Example || Example || Example || Example
|-
| Example || Example || Example || Example || Example
|}

[[category: SIMCOM AT]]
[[category: SMS]]

SIMCOM SMS AT - Revision history

Chao at 05:08, 10 June 2020