Grandstream GCC6000 Built-in IPPBX (10 Users, 4 Concurrent Calls) + enterprise-grade firewall + VPN Router + 2 x 2.5 Gb, 5 x GigE Network SwitchGCC6000 Series UC + Networking Convergence Solutions The GCC6000 Series provides an extraordinary all in one solution that merges unified communications and networking solutions into one platform. These state of the art devices combine the functionality of 4 products to provide an all in one solution that includes a VPN router, next generation firewall, IP PBX, and network switch or Wi Fi access point. The Series includes three models: GCC6010,