SIM switch algorithm for DUAL-SIM devices FMB125

Good day.
Tell me what algorithm Teltonika FMB125 switches between sim cards?
And can it switch when the active sim card runs out of internet traffic?

Hi Vitali,

Please visit our wiki page to know more about the FMB125 sim switching logic- FMB125 GSM Operators settings - Wiki Knowledge Base | Teltonika GPS (

Maynard C

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