128×384 backlit LCD display
20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)
BLF/speed dial
Daisy-chain up to 4 modules for up to 160 contacts/extensions
BLA (bridged line appearance)/SC
The Grandstream UCM6304 is an enterprise-grade IP PBX that supports up to 2,000 users and 300 concurrent calls, offering a unified communication platform with built-in voice, video, meetings, chat, mobility, and advanced security—ideal for scalable business collaboration.
Video Input and Transmission
Connectable to Turbo HD/HDCVI/AHD/CVBS signal input
Long distance transmission over UTP and coaxial cable: max. 1200m for 720p Turbo HD signal
Compression and Recording
One-key enable H.264+ compression to improve encoding efficiency by up to 50% and reduce data storage costs
l Supports 1080p lite of all channels and when enabled, the image effect is similar with 1080p
WS-POE-12-24v120w passive 12 port POE Injector for 12 IP cameras, VOIP phones or Access Points 
Mikrotik CRS109-8G-1S-2HnD-IN | 8x Gigabit Smart Switch, 1x SFP cage, LCD, 1000mW Dual Chain wireless 
