Digium VPMADT032 Thirty-two Channel Hardware Echo Cancellation Module (1VPMADT032LF)

The Digium VPMADT032 Thirty-two Channel Hardware Echo Cancellation Module (1VPMADT032LF) is a 128ms per-channel echo cancellation module for use with Digium telephony interface cards.

This module, which offers 128ms (1024 taps) of echo cancellation across all of its channels, improves upon the older VPM100M echo cancellation module, that only offered 32ms of echo cancellation. The VPMADT032 provides the same toll-quality G.168 compliant echo cancellation found in Digium's HPEC software-based commercial echo canceller. The VPMADT032 is immune from any system CPU spikes that might otherwise affect a software-based solution.

 

Compatibility:

• The VPMADT032 may be used with all of Digium's analog cards (TDM410, AEX410, TDM800, AEX800, TDM2400, AEX2400) as well as Digium's single-port T1/E1 cards (TE122, TE121).

Digium VPMADT032 Thirty-two Channel Hardware Echo Cancellation Module (1VPMADT032LF) Documentation

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