| capacity | |
|---|---|
| Number of users | 2000 (expandable to 5000) |
| Number of registered terminals | 6000 (expandable to 15000) |
| Number of concurrent calls (maximum) | 500 |
| External line port/internal line port | Connect to TA analog voice gateway |
| Mobile phone card port | Interconnecting with TG wireless voice gateway |
| E1 digital trunk | Connect to TE digital trunk gateway |
| Voice message capacity | Customizable |
| hard drive | 2T hard drive x2 |