Server is not receiving data from gps tracker while it's parked in a basement garage.

Eagle 218 days ago

We are using traccar to localhost connection and getting traccar devices data. but when our device is parked in a basement garage it's not sending any data to our server. But the same device (Teltonika FMB003) with same settings is sending data to other server (gps-server.net) with 0 speed. We are not getting the 0 speed in our system. also they have gpslev, gsmlev that i don't have from my device. how to set it in traccar? is there any settings or filters that is causing the issue?
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