The UCM6300 series of IP PBXs allows businesses of all sizes to build powerful and scalable unified communication solutions in an easy-to-manage fashion with no licensing fees. This enterprise-grade IP PBX supports up to 6000 users and allows businesses to unify all of their communication technologies on to one centralized network, including voice, video calling, video conferencing, video surveillance, data tools, analytics, mobility options, facility access, intercom and more.