The Grandstream UCM6308 is an enterprise-grade IP PBX supporting up to 3,000 users and 450 concurrent calls, featuring 8 FXS, 8 FXO ports, 3 Gigabit PoE+ ports, and a 1.3GHz quad-core processor. It supports video conferencing (up to 8 rooms/60 participants), full-band Opus voice codec, and is compatible with GDMS for cloud management.
