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Digium A4 Series

About Digium A4 Series

Perfect for small installations needing only a small number of lines Digium A4 Series cards support a combination of up to four station or trunk modules for a total of 4 lines.

The A4 Series of VoIP PBX Hardware analog cards supports up to 4 connections for each card in your Asterisk system. Using Digium's single-port interface modules, A4 series cards can scale from 1 to 4 ports.

Digium gives you the exact port configuration you need as the modular nature of the cards allows you to mix and match between FXO (line) and FXS (station) interfaces. Digium A4 Series analog cards are available in low profile, half-length PCI and PCI Express form factors.

Why buy Digium A4 Series?

  • All cards include a five (5) year warranty and are eligible for Digium’s risk-free Quality Guarantee ESP.
  • PCI or PCI Express bus architectures
  • Up to 4 ports of FXS/FXO modules with optional DSP -based carrier grade echo cancellation modules
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Digium A4 Series
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  1. $175.00
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    SKU # 02-116131
    The A4 Series Digium 1A4A00F 4 Port 0-FXS/0-FXO PCI Card for 3.3/5.0V
  2. $638.80
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    SKU # 02-116640
    The A4 Series Digium 1A4B06F 4 Port 4-FXS/0-FXO PCI-e Card that supports both North America and European standard PRI (Primary rate ISDN).
  3. $644.80
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    SKU # 02-116639
    The A4 Series Digium 1A4B04F 4 Port 2-FXS/2-FXO PCI-e Card with Echo Cancellation
  4. $650.80
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    SKU # 02-116638
    The A4 Series Digium 1A4B03F 4 Port 0-FXS/4-FXO PCI-e Card with Echo Cancellation
  5. $475.00
    Buy Now

    SKU # 02-116637
    The A4 Series Digium 1A4B01F 4 Port 0-FXS/0-FXO PCI-e Card with Echo Cancellation
  6. $403.80
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    SKU # 02-116636
    The A4 Series Digium 1A4B05F 4 Port 4-FXS/0-FXO PCI-e Card
  7. $415.80
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    SKU # 02-116635
    The A4 Series Digium 1A4B02F 4 Port 0-FXS/4-FXO PCI-e Card
  8. $240.00
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    SKU # 02-116634
    The A4 Series Digium 1A4B00F 4 Port 0-FXS/0-FXO PCI-e Card
  9. $338.80
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    SKU # 02-116141
    The A4 Series Digium 1A4A05F 4 Port 4-FXS/0-FXO PCI Card for 3.3/5.0V
  10. $350.80
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    SKU # 02-116140
    The A4 Series Digium 1A4A02F 4 Port 0-FXS/4-FXO PCI Card for 3.3/5.0V
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  1. Regular Price: $429.99

    Special Price: $322.99

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    SKU # 02-117468
    The A4 Series Digium 1A4A03F 4 Port 0-FXS/4-FXO PCI Card with EC for 3.3/5.0V
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