The gear for those interested seems to be this: https://ejointech.shop/products/ejointech-4g-16-port-gsm-voip-gateway-256-sim-goip-gsm-gateway-sim-box-voice-sip

The gear for those interested seems to be this: https://ejointech.shop/products/ejointech-4g-16-port-gsm-voip-gateway-256-sim-goip-gsm-gateway-sim-box-voice-sip-gateway https://ejointech.shop/products/ejointech-4g-16-port-gsm-voi...