4 × 10G SFP+ Uplink Ports: Ensures robust and high-speed uplink connectivity.
24 × Gigabit PoE Ports: Provides power and data over a single cable to a variety of devices.
Layer 3 Management
DHCP Server Capabilities
Quality of Service (QoS)
Access Control Lists (ACL)
SNMP (v1/v2/v3)
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
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.
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.
Addressable Manual Call Point 
