"Users: 50
Max Concurrent Calls: 25
Max Analog Ports: 8
Max BRI Ports: 8
Max Cellular Ports: 4
Max E1/T1/J1 Ports: N/A
Expansion Board: N/A
External Storage: SD Card"

"Users: 20
Max Concurrent Calls: 10
Max Analog Ports: 4
Max BRI Ports: 4
Max Cellular Ports: 1
Max E1/T1/J1 Ports: N/A
Expansion Boards: N/A
External Storage: TF Card"