Grandstream UCM6304A 4 FXO 4 FXS Audio PBX Grandstream IP PBX It offers 4×4:4 MU-MIMO technology

It offers 4×4:4 MU-MIMO technology on the 5G band and 2×2:2 MU-MIMO on the 2

It features SIP/VoIP technology with 2-way audio and video streaming feeds loaded directly to smart phones

Unlock door method: DTMF

you can enjoy maximum freedom and flexibility with W78H

*Note: The Yealink T33G Wall Mount Bracket is sold separately

Grandstream UCM6304A 4 FXO 4 FXS Audio PBX Grandstream IP PBX It offers 4×4:4 MU-MIMO technologyThe UCM6300 Audio series allows businesses to build powerful and scalable unified communication and collaboration solutions. This series of IP PBXs provide a platform that unifies fundamental business communications needs, including voice, instant messaging (IM), voice meetings, audio web meetings, data, analytics, mobility, facility access, intercoms and more. The UCM6300 Audio Series supports up to 1500 users and includes a built in instant