- 4 - 24 analog ports
- PCI or PCI Express bus architectures
- Combine line (FXO) and station (FXS) modules
- Accepts up to six (6) quad-port modules
- Optional DSP -based carrier grade echo cancellation module
- 32-bit 33MHz
- Loop Start or Kewl Start Signaling
- Temperature: 0° to 50° C
- Digium patented VoiceBus™ technology for better audio
- 30-day 100% satisfaction money back guarantee
- 5-year warranty
- Not compatible with Switchvox E-Series appliances
