Grandstream Ucm6300a (Ip PBX System)

Grandstream UCM6300A (IP PBX System) A professional on-premise IP PBX / unified communication system designed to manage voice calling, extensions, and business telephony over a network. It supports up to 250 users and 50 concurrent calls, making it suitable for small to medium businesses. Specifications: • Up to 250 SIP users (extensions) • Up to 50 concurrent calls (G.711) • Based on Asterisk v16 open-source telephony platform • Built-in audio conferencing (up to 3 meetings, 50 participants each) • Integrated Instant Messaging (IM) & collaboration tools • Supports Wave app for mobile and desktop calling • 3 Gigabit Ethernet ports with routing/switch mode • Built-in NAT router + firewall traversal support • Supports SIP trunking, IVR, call routing, voicemail • No analog (FXS/FXO) ports – IP-based only