Grandstream GCC6020 Built-in IPPBX (50 Users, 16 Concurrent Calls) + enterprise-grade firewall + VPN Router + 1 x 2.5 Gb, 1 x 10 Gig SFP+, 4 x GigE Network Switch GXP2140 storm control

storm control

3D DNR technology delivers clean and sharp images

These features allow the GXP1610/GXP1610P/GXP1615 to be a high-quality small business IP phone that is simple and easy-to-use

11a/b/g/n/ac/ax  and 12-hour talk time

Grandstream GCC6020 Built-in IPPBX (50 Users, 16 Concurrent Calls) + enterprise-grade firewall + VPN Router + 1 x 2.5 Gb, 1 x 10 Gig SFP+, 4 x GigE Network Switch GXP2140 storm controlBuilt in IP PBX provides voice & video communications with advanced collaboration features (PBX Upgrade options available) Built in enterprise grade firewall provides anti virus, layer 3 7 IDS IPS, DPI, SSL detection, and more Built in VPN router supports 6. 5Gbps or 10Gbps to allow easy remote access to private networks Built in network switch with 1x 10 Gigabit SFP+ ports, 1x 2. 5 Gigabit and 4x Gigabit Ethernet ports Enhanced reliability with