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.
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
Grandstream DP725 is a DECT HD handset supporting up to 20 SIP lines, with 400m outdoor range (via DP755), 50-hour talk time, secure DECT encryption, and advanced VoIP features for professional mobility.
The Grandstream CloudUCM Plus is a cloud-based PBX solution for small and growing businesses. It supports up to 50 extensions and 16 simultaneous calls, with built-in meetings, messaging, and CRM integration—all managed securely without hosting fees.
Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation, and microphone beamforming array
12 omnidirectional microphones with MMAD (Multichannel Microphone Array Design)
Supports 5m pickup range, and can be paired with two GMD1208 desktop wireless microphones up to 20m away for full-room coverage
10/100/1000Mbps network port with PoE+ and dedicated media port for collaborate
Integrated Bluetooth 5.0 support
Integrated Wi-Fi 6, Dual-band 2.4 & 5GHz with 802.11 a/b/g/n/ac/ax
Supports 12-party conferences
16 lines with up to 16 SIP accounts
Built-in mega-pixel camera for video calling with privacy shutter
Runs on Android 7.0 operating system
Built-in Bluetooth for syncing with mobile devices and connecting
â—†As days, weeks, months to set the attendance
â—†Support work in&out, relay, overtime setting
â—†Support holiday, weekend and leaving setting
â—†Support retroactive setting
â—†High resolution ratio LCD shows employee name, fingerprint image
WIFI Funtion
Video Input and Transmission
* Connectable to Turbo HD/HDCVI/AHD/CVBS signal input
* Up to 2-ch 1080p IP cameras 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
* Supports 1080p lite of all channels and when enabled, the image effect is similar with 1080p
The Grandstream DP735 Ruggedized DECT Cordless HD Handset offers wide coverage, IP67 protection, 65 hours talk time, HD audio, and 20 SIP lines per handset – ideal for offices, warehouses, and industrial worksites.
Professional Full Band 5W FM Tranceiver(H-5118) 
