| Feature/Model | Falcon CXWS3000 | Blue Steel X CXWS4000 | Software PBX (CompletePBX virtual machine) |
|---|---|---|---|
![]() | ![]() | ![]() |
|
| Extensions licensed | 1000 - 2000 | 2000 - 3000 | up to 5000 users, licensed per amount of extensions |
| Max. concurrent calls (SIP only) | 900 | 1350 | based on resources |
| Max. concurrent calls (PRI + FXS) | 600 | 750 | - |
| Max. analog ports (FXS, FXO) | 800 (Astribank) 1000 (Gateway) | 960 (Astribank) 3000 (Gateway) | via gateway |
| Max. digital ports | |||
| BRI ISDN | 16 | 16 | via gateway |
| E1/T1 PRI, E1 R2, T1 CAS | 16 | 24 | via gateway |
| Ethernet ports | 4 x 1 GB | 4 x 1 GB | - |
| High Availability | - | ||
| Failover for all telephony ports - Analog, digital and IP | - | ||
| Storage | 2 x 500 GB NVME SSD | 2 x 500 GB NVME SSD | - |
| RAID1 | - | ||
| Intelligent Platform Mgmt Interface (IPMI) | - | ||
| Hardware Echo Cancellation | optional | optional | - |
| Rapid Recovery | VM snaphot | ||
| Internal backup and restore | VM snaphot | ||
| Power supply notification | - | ||
| Front panel LCD and keypad | - | ||
| Front panel USB access | - | ||
| Power supply | Internal | Internal | - |
| Hot swappable power supply | - | ||
| Size | 2 x 1U | 2 x 1U | - |
| Fan redundancy | - | ||
| Software | CompletePBX5 software, free upgrade under warranty | CompletePBX5 software, free upgrade under warranty | CompletePBX VM, available for VMware, Hyper-V and Oracle VirtualBox |