Digium 1VPM032LF 32-Channel Echo Cancellation Module

Thirty-two (32) Channel Hardware Echo Cancellation Module for use on A4x and A8x series cards. 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.

Key Features:

• Mfr. Part #: 1VPM032LF
• Channels: up to 32
• Basis: DSP
• Digium Card Compatibility: A4x and A8x series