How to make such a device?

S

synapse_people2018-06-28 10:20:47

Iron

synapse_people, 2018-06-28 10:20:47

There is a need to enable 16 sim cards at the same time, from which it would be possible to make calls.
Is it possible to connect 16 sim800L modules to this microcomputer? If so, how?
And how will the sound be transmitted and how is the microphone connected?
Thank you

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Wexter, 2018-06-28
@Wexter

https://www.ebay.com/itm/GOIP-16-VOIP-GSM-gateway-...