I am using this in a IOT device which is running Arch ARM Linux, I am attempting to send an SMS but currently getting an error right away, I spoke with the carrier and they sent me a new sim and said they “tested it” but still getting the error, was wondering if there was anything else that I could …

Using what to send AT commands? It would need to be scripting compatible.

you can use tera term to open the AT command port to send the commands

Tera Term is gui based, this IOT device is strictly using command line, its akin to the server version of Arch or Lite Arch linux. I have attempted to use minicom but this modem is not seen like a normal modem so I cannot query it like a modem.

you can use “cat” and “echo” e.g. cat /dev/ttyUSB2 & sudo echo -ne "AT+CMGF=1\\xd\\xa" > /dev/ttyUSB2

Hi, can you provide exactly what is needed to send these commands in the way you are proposing? From my limited research it looks like the MC7700 is being assigned /dev/cdc-wdm0 I am not at all familiar with the echo lines so I am failing at getting anything from it using the commands you have pr…

AT command port should be using /dev/ttyUSBx port have you installed USB driver? https://source.sierrawireless.com/resources/airprime/software/usb-drivers-linux-qmi-software-s2,-d-,42n2,-d-,64/#sthash.hUtcA0Yn.dpbs

This driver looks like its made for x86 Ubuntu as it fails for Arch ARM I am not sure that this makes any difference but making mention of this regardless: I am able to receive sms messages as I have a bunch of spam SMS’s I am only getting a IPv4 IP even though I have specified ipv4v6

more /var/lib/dkms/SierraLinuxQMIdrivers/S2.42N2.64/build/make.log DKMS make.log for SierraLinuxQMIdrivers-S2.42N2.64 for kernel 5.15.68-3-rpi-ARCH (armv7l) Sun Feb 26 20:25:02 MSK 2023 make: Entering directory '/var/lib/dkms/SierraLinuxQMIdrivers/S2.42N2.64/build/GobiSerial' rm -rf *.o *~ core .dep…

you can see here to use another driver [image] Build errors for SierraLinuxQMIdrivers on Ubuntu-22.04 MC/EM Series In the past I was successfully building the SierraLinuxQMIdrivers-S2.42N2.64 driver with Ubuntu 20.04 for the WWAN-Card MC7700. After an upgrade to Ubuntu 22.…

While this driver does seem to compile, the result are not something that’s documented in the readme that’s included. So it doesn’t look like it makes a usb port that I can interact with. lsusb -t /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M /: Bus 01.Port 1: Dev 1, Class…

MC7700 unable to send SMS

IoT Modules MC/EM Series

jyijyi February 26, 2023, 5:39pm 11

you can see here to use another driver

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MC7700 unable to send SMS

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