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.
The Grandstream GRP2602P 2 line Carrier grade IP Phone
GXV3610_HD: 1.2 megapixel Progressive Scan CMOS image sensor, 720p resolution, 3.6mm lens
GXV3610_FHD: 3.1 megapixel Progressive Scan CMOS image sensor, 1080p resolution, 3.6mm lens
Advanced multi-streaming rate real-
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.
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
Grandstream GXV3674-HD Weatherfroof Varifocal HD Outdoor IP Camera 
