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.
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 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.
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.
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.
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
Cisco ASA5506-K9 Asa 5506X with Firepower 
