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分类: IT业界

2009-07-13 14:34:33

 

OpenVox Released Hardware Echo Cancellation Module for Single Port E1/T1 Cards

OpenVox has announced today that single port E1/T1 cards DE115P & DE115E with hardware echo cancellation module are released. It fulfils OpenVox product line of PRI cards with hardware echo cancellation modules from single to quad port.

The DE115E/DE115P is a new version of single T1/E1 card that has hardware echo cancellation on board. The EC100 echo cancellation is an Octasic DSP-based module. The EC100 provides a certified carrier-grade algorithm that has been labeled a benchmark for echo cancellation for OpenVox.

With the improved I/O speed, the card reduces CPU usage and increased card density per server. DE115E/DE115P is fully compatible with Asterisk applications. The open source driver supports an API interface for custom application development.

DE115E/DE115P supports industry standard telephony and data protocols, including Primary Rate ISDN (both N. American and Standard Euro) protocol families for voice, PPP, Cisco, HDLC, and Frame Relay data modes. Both line-side and trunk-side interfaces are supported.

About OpenVox EC100-32 Modul

The OpenVox EC100-32 enables users to eliminate echo tails up to 128ms or 1024 taps across all 32 channels in E1 mode or 24 channels in T1/J1 modes. Further, this module takes advantage of the Octasic Voice Quality Enhancement to provide superior sound quality on all calls.

Benefits:
World recognized & deployed best voice quality

Features:
128ms tail/channel (on all channel densities)
Octasic Music Protection
Adaptive Noise Reduction
Automatic Level Control (G.169)
Field upgradeable algorithm
V.25 / V.8 answer tone (w/ and w/o phase reversal)
DTMF as per Q.24

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