https://elius.uz/%d1%88%d0%bb%d1%8e%d0%b7%d1%8b-fxs16-32-fxo16-%d0%bd%d0%be%d0%b2%d0%be%d0%b5-%d0%bf%d0%be-200411/
Шлюзы FXS16/32, FXO16: новое ПО