Voip PBX Phone System P520

- 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 Board: N/A
- External Storage: TF card
UPC: YST-P520
Manufacturer: Yeastar
PartNumber: YST-P520