Grandstream IP PBX UCM6200 series

This IP PBX series allows companies to unite multiple communication technologies, such as audio, video calling, video conferencing, video surveillance, data tools, mobility options & facility access management on one network. UCM6202 & UCM6204 support up to 500 users and 50/75 concurrent calls, UCM6208 supports up to 800 users and 100 concurrent callsSee Full Description and Specification of this product from here. or download datasheet as PDF.