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The Digium VPMOCT032LF is a 32 channel echo cancellation module that can be used with Digium analog and digital cards.
For Asterisk users connecting to the PSTN, annoying echo can be managed effectively with echo cancellation solutions from Digium. Asterisk has a variety of software-based Open Source echo cancellation routines that can be somewhat effective in eliminating the echo that most Asterisk users experience. There are situations where these software-based solution are not fully effective, which is why the Digium VPMOCT032LF 32-channel echo cancellation hardware module was designed.
With the Digium VPMOCT032LF you get an echo-free experience.
