Digium 1A4B03F 4 FXO PCI-e Card with Echo Cancellation

Use your POTS (PSTN) lines with Asterisk server. Digium is among top three brands who make cards meant to work with asterisk. Unlike many low price cards with fake driver it uses system resource with proper drivers.

• Four (4) analog ports
• PCI or PCI Express bus architectures
• Combine line (FXO) and station (FXS) modules
• Accepts up to four (4) single-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
• With Asterisk - DAHDI 2.7 or later required
• With Switchvox - Switchvox 5.8.1 or later required (Coming soon)

Digium 1A4B03F 4 FXO Port PCI-E Card Quick Specs:

• Base Card: A4B
• Number of FXO Ports: 4
• Number of FXS Ports: 0
• Maximum Ports: 4
• Echo Cancellation: Yes
• Slot Type: PCI Express

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