Yeastar P570 Voip PBX Phone System, with Users 300

Features:

• Users: 300 (up to 500)
• Max Concurrent Calls: 60 (up to 120)
• Max Analog Ports: 16
• Max BRI Ports: 16
• Max Cellular Ports: 6
• Max E1/T1/J1 Ports: 2
• Expansion Boards: 2*EX30/EX08+2*D30
• External Storage: USB, HDD

For more information, please see Data Sheet