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Hi,

I use my RUT850 with a German Telekom Multisim. When the RUT850 is powered on, it's blocking all incoming calls on my main SIM. I learned that there is a setting in other Teltonika devices where you can edit this behavior:

Services -> SMS Utilities -> Call Utilities -> Reject unrecognized incoming calls: Uncheck the checkbox -> Save settings.

This setting is not available in the most actual firmware for the RUT850. I also learned, that this problem exist for at least one year and that It was already reported to the RnD Department...

I would be very happy to find a solution, with the actual behavior the device is useless for me, as I´m not able to predict when someones trying to call me

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Hi,

Please private message me and I'll send you a testing firmware that you can use for this function.

EB.