The TE407P is the next generation of Digium hardware that offers an on-board new echo cancellation card using the Octasic echo cancellation part. It supports E1, T1, and J1 environments and is selectable on a per-card or per-cost basis. 5Volts The echo cancellation module supports all T1, E1, and J1 channels and improves voice quality in environments where software echo cancellation is not sufficient. The TE415P reduces CPU overhead required for software echo cancellation thereby, freeing resources for other processes, such as codec translation. By supporting 16 ms with 128 channels or 64ms on 32 channels, this card will perform in the most difficult of environments. These cards provide carrier-grade echo cancellation, Voice Quality Enhancement (VQE), DTMF decoding and tone recognition. They support 128ms of G.168 compliant echo cancellation across all channels.
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