Grandstream UCM6308 PBX is the best choice for enterprise-level IP PBX systems, with max users of 3000 and 150 concurrent calls. The UCM6308 supports 10 video conference rooms with up to 300 parties.

Grandstream UCM6308 IP PBX Features

• Built-in Instant Messaging (IM), Audio Conferencing & Web Meetings platform

• Zero configuration provisioning

• Advanced security protection

• Compatible with GDMS for cloud setup

Grandstream UCM6308 IP PBX Specs

• Analog Telephone FXS Ports: 8 RJ11 Port 

• PSTN Line FXO Ports: 8  RJ11 Port

• Maximum Call Capacity: 3000 users, 150 concurrent calls, 300 concurrent SRTP calls

• 10 Video Conference rooms and up to 300 parties

• 128x32 dot-matrix graphic LCD with DOWN and OK buttons

• LED Indicators for Power 1/2, FXS, FXO, LAN, WAN, Heartbeat