| RJ11 connectors |
| Indicator lights for each channel |
| Message indicator light support |
| USB | 2 external USB 2.0 ports; one for main server and one for backup (when TwinStar option is activated) |
| Mounting Options | Wall, Rack |
| The Astribank driver has been an official part of Zaptel (a.k.a. DAHDI) since release 1.2.4 in February 2006, making Astribank compatible with any standard Asterisk system. | |
| Supported OS | Debian, CentOS (and, theoretically, any modern Linux-based operating system) |
| Supported Asterisk Distributions | Xorcom's CompletePBX, Elastix |
| Storage temperature | -20° to 70° Celsius (-4°-158° F) |
| Working temperature | 0° to 40° Celsius (32°-104° F) |
| Humidity | 20%-95%, non condensing |
| Weight | 0.8 to 1.5 Kg (1.77-3.3 Lbs) (depends on configuration) |
| Size | 19" 1U industry standard rack- or wall-mountable chassis |
| TwinStar™ | License activation enabling high availability solution for complete Asterisk-based systems. | P/N LC0016 |
| Echo Cancellation | Echo cancellation and voice enhancement hardware module | P/N XR0124 |
| Redundant Power Supply Unit | Provides high availability for IP-PBX | P/N XR0108 |
| Rapid PA™ | Public Address capability for FXS port(s) | P/N XR0067 |
| External USB Hub | External 4-port USB hub to attach multiple Astribank devices to an Asterisk server. | P/N XR0107 |