Digium 1VPM032LF Echo Cancellation Module

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Thirty-two (32) Channel Hardware Echo Cancellation Module for use on A4x and A8x series cards. VPM032: Up to 32 channels. The Digium VPM032 echo cancellation module is compatible with A4x and A8x series cards. When Asterisk is connected to a PSTN, voice echo is possible. While software-based solutions are available, they aren't always effective. This echo cancellation unit attaches to the FXO / FXS card and provides an effective means of improving voice quality.


Features and Functions

  • Channels: up to 32
  • Basis: DSP
  • Digium Card Compatibility: A4x and A8x series.