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--- doc:appunti:hardware:tl-mr6400_openwrt [2023/10/31 15:18] – [Upgrade to OpenWRT 22.05.0] niccolo
+++ doc:appunti:hardware:tl-mr6400_openwrt [2024/04/26 15:30] (current) – [Upgrade to OpenWRT 22.05.0] niccolo
@@ Line 331: / Line 331: @@
 | etherwake                             |    8K |
 | coreutils-base64                      |       |
+===== Sending and receiving SMS =====
+Once installed the **uqmi** package, there is a daemon process **/usr/bin/uqmi_d.sh** which is responsible for sending and receiving SMS messages. The program will check every 30 seconds if there is a file into the **send** directory and eventually save received SMS messages from the modem memory to the **received** directory:
+  * **/var/sms/send/**
+  * **/var/sms/received/**
+To send a message just create a text file into the **/var/sms/send/** directory; the first line must contain the recipient phone number, the following lines are the text message. E.g.
+<file>
++393274445556
+Hello, World!
+</file>
+Received messages will be saved automatically into **/var/sms/received/**, in files named something like **sms_20240426T150933**. The content will be something like:
+<file>
+[Phone Number|CallerID]
+Tex message.
+</file>
+If you stop the running uqmi_d.sh daemon, it is possibile to retrieve received messages from **sim** or from **me** (memory). Get first the list of messages availables and then retrieve one:
+<code>
+uqmi -d /dev/cdc-wdm0 --list-messages --storage me
+uqmi -s -d /dev/cdc-wdm0 --get-message 0 --storage me
+</code>
 ===== Web References =====