Grandstream CloudUCM Startup is a cloud-based PBX system designed for freelancers and small teams. It supports up to 10 extensions and 4 calls, includes built-in conferencing, live chat, and CRM integration, and comes with a 30-day free trial—no hosting fees required.
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 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.
The Grandstream GHP621 is a compact IP phone designed for hotel rooms and similar environments, featuring 2 SIP lines, PoE support, speed dial keys, a customizable faceplate, and easy remote management via GDMS.
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
1.6mm 1000M Alloy Aluminium Electric Fence Wire (VT-ALU16S-1000) 
