Yeastar P570 P-Series IP PBX Phone System VoIP Gateways but also has RJ45 serial

but also has RJ45 serial port

Get extra peace of mind with a 5-year limited warranty and a durable silicon shell that offers a premium feel and added protection to the drive’s exterior

5-inch Monitor - 66CAKAC1MYKey Features: 3-side NearEdgeless construction devotes more surface area to the screen and it has a stylish bi-metal colored square base

easy to handle

2x 550 sheet cassettes

Yeastar P570 P-Series IP PBX Phone System VoIP Gateways but also has RJ45 serialYeastar P570 P Series IP PBX Phone System Key Features Users: 300 (up to 500) Max Concurrent Calls: 30 (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