| light | PRO | ADVANCED | ENTERPRISE | |
|---|---|---|---|---|
| Capacities | ||||
| Recommended number of users | max. 10 | 60 | 250 | 1750 |
| Simultanious connections | 8 | 16 | 60 | 150 |
| Simultanious conferences | 1 | 5 | 10 | 30 |
| Simultanious voice recordings | 1 | 3 | 10 | 20 |
| Interfaces | ||||
| 4 S0 Ports (8 channels) | - | 1 | 1 | - |
| 4 S0 Ports optional | - | 1 | 2 | 5 |
| S2M Ports optional | - | - | 2 | 5 |
| Analog FXS Ports optional¹ | - | 8 | 60 | 120 |
| PCI Slots | - | 2 (w. riser card) | 3 | 5 |
| 10/100/1000 Gigabit Ethernet Ports | 1 | 1 | 1 | 2 |
| USB (Front) for desaster recovery | 1 | 1 | 1 | 1 |
| LC-Display | - | - | yes | - |
| VoIP connection | ||||
| SIP providers | unlimited | unlimited | unlimited | unlimited |
| SIP-Trunking | yes | yes | yes | yes |
| Performance | ||||
| CPU | Intel Atom | Intel Atom | Intel Dual Core | Intel Quad Core |
| RAM | 512 MB | 1 GB | 2 GB | 4 GB |
| Storage | 2,5" HD | 2,5" SSD | 2 × HD hardware RAID 1 | 2 × HD hardware RAID 1 |
| Technical Data | ||||
| Chassis | Mini ITX | Mini ITX | 2 U 19" chassis | 3 U 19" chassis |
| Chassis optional | 2 U 19" rack frame | 2 U 19" rack frame | - | - |
| Mounting optional | Wallmount | Wallmount | - | - |
| Power unit | external 90 W | external 90 W | 350 W | double redundant 800 W |
| Power unit optional | - | - | double redundant 350 W | - |
| Power consumption | 28 W | 28 W | 120 W | 170 W |
| Warranty | 24 months | 24 months | 24 months | 24 months |
| Made in Germany | yes | yes | yes | yes |