- Built-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 4x 10 Gigabit SFP+ ports, 8x 2.5 Gigabit ethernet ports, 16x Gigabit Ethernet ports, 8 x 2.5G PoE out ports support IEEE 802.3 af/at/bt. 16 x 1G PoE out ports support IEEE 802.3 af/at - Enhanced reliability with support for hot standby High-Availability - Easily configure, deploy, and manage all Grandstream endpoints from one central location - Provides advanced security protection with encrypted traffic, secure boot, unique security certificates, and more - Managed through the cloud (GDMS), mobile app, local WEB UI, SSH, and SNMP - Multiple WAN ports with load balancing and failover to maximize connection reliability Number PoE Ports: 24 Number SFP Ports: 4 PoE Support Type: PoE Port Type: Gigabit Ethernet Rack Mountable: Yes Total Number of Ports: 52 Color: Gray