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
Connects and constantly monitors two UCM6510 together for high availability
Smart failover solution that automatically switches to a hot-standby secondary UCM6510 if the primary one fails
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.
Grandstream UCM6302A IPPBX Support up to 500 Users and 75 Concurrent calls
The Grandstream CloudUCM Pro is a powerful cloud PBX solution that supports up to 100 extensions and 32 calls. It includes built-in voice, video, chat, and meeting tools—no hosting fees required. With strong security, CRM and Teams integration, and remote access via the Wave app, it’s perfect for growing businesses, hotels, and retail environments.
14 Slots Media converter Chassis 
Arylic H50 | Arylic H50 Hi-Fi Multiroom WiFi Amplifier with Bluetooth aptX HD, HDMI ARC, Airplay 2 & Spotify Streaming for Wireless Home Music .Support 192Khz/24bits Music Transmission & Reception.50W*2 Amplifier 
