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Hello there,

  Has anyone experienced this?  I am using an international SIM (Things Mobile).

I send commands to the FMC125 but I do not get a reply.

When I send an SMS, the configurator SMS received count increases by one, and then shortly after the sent counter goes up by one.

So I know that it received the SMS.  And it has tried to send the SMS, but it has not reached me.

Has anyone had this type of issue?

Thanks in advance - L

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Hello

Please verify the availability of the SMS sending service from your card with your operator. Perhaps such a service is not available.

Additionally, verify the assumptions and limitations of device communication via SMS.

details below

https://wiki.teltonika-gps.com/view/FMC125_SMS_events

Best regards