Grandstream Networks All-in-one convergence device: VPN Router NGFW Switch and IP PBX. 1x 10G SFP+ 1x 2.5G 1x GbE all WAN/LAN 5x PoE-Out 320K NAT sessions VPN 1.3Gbps IDS/IPS 3Gbps PBX up to 500 SIP users or 120 concurrent calls (default 50/16) cloud prov