Hello People, I am new to Meraki, and need help on how to open ports. We have physical telephones which are connected to 3CX. For that connection we have to install a so called Session Boarder Controller into our telephone setup. That SBC is a physical existing Raspberry Pi. That Pi needs Port 5090 to be open for TCP and UDP. I am to use the Layer 3, Layer 7 or Port Fowarding Rules on the Firewall Dashboard?
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