Grandstream Ucm6302a (Ip PBX System)

Grandstream UCM6302A (IP PBX System) A powerful on-premise IP PBX / unified communications server designed for medium to large businesses, supporting voice calls, extensions, conferencing, and remote collaboration. Specifications: • Up to 500 users (SIP extensions) • Up to 75 concurrent calls • Based on Asterisk v16 open-source telephony platform • Built-in audio conferencing & collaboration tools • Supports Free Wave App (mobile, desktop, web) for calling & messaging • 3 Gigabit Ethernet ports (LAN/WAN/switch mode) • Integrated NAT router + firewall traversal • Supports SIP trunking, IVR, call routing, voicemail • No analog video—audio-focused PBX system