The Grandstream GR‑GCC6021 is an all‑in‑one appliance that merges Unified Communications and Networking on a single platform. It combines the functions of a VPN router, next‑generation firewall, IP PBX, and an integrated managed network switch, streamlining deployment while strengthening security and centralised management.

Key Features & Benefits

• Built‑in IP PBX — Voice & video communications with advanced collaboration features (PBX Upgrade options available).
• Enterprise‑grade firewall — Anti‑virus, Layer 3–7 IDS/IPS, DPI, SSL detection, and more.
• High‑speed VPN router — Supports up to 10 Gbps† for secure remote access to private networks.
• Integrated managed switch — 16× Gigabit ports with up to 24× PoE‑out ports, plus 2.5G and 10G SFP+ uplinks.
• High‑Availability (HA) — Hot‑standby support for enhanced reliability.
• Unified management — Easily configure, deploy and manage all Grandstream endpoints from one central location.
• Advanced security posture — Encrypted traffic, secure boot, unique security certificates, and more.
• Multi‑WAN resilience — Multiple WAN ports with load balancing and failover to maximise uptime.
• Flexible control — Manage via GDMS (cloud), mobile app, local WEB UI, SSH, and SNMP.

Model Highlights — GR‑GCC6021

• Switching: 16× Gigabit Ethernet ports • up to 24× PoE‑out ports (model/config dependent)
• Uplinks: 2.5G and 10G SFP+ slots for high‑speed fiber backhaul
• VPN Throughput: Up to 10 Gbps†
• HA: Hot‑standby for rapid failover

Ideal Deployments

• SMB & branch offices consolidating UC, security and switching into a single appliance
• Retail/hospitality needing PoE for phones/cameras and simple centralised management
• Edge sites that benefit from multi‑WAN, high‑speed VPN, and HA for continuity

†Throughput figures are vendor‑stated maxima and vary with enabled features (IDS/IPS, DPI), encryption and environment. Specs may change without notice; verify with the latest Grandstream datasheet.