Grandstream UCM6308 IPPBX Support up to 1500 Users and 200 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.
Up to 2 concurrent HD calls
Extends an additional range of 300 meters outdoors and 50 meters indoors for added mobility
Automatic or manual association to DP750/DP752 base stations for easy use
Supports Plug-n-Play features like auto association, auto region detection and seamless call handover
Automated provisioning options include XML config files
Ethernet connection provides PoE features
pon auto detection of PoE or PoE+
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
pon auto detection of PoE or PoE+
Grandstream GHP621W | Hotel IP Phone with Wifi Support 
