OpenVox DE210E supports E1, T1 and J1 environments and is selectable on a per-card or per-port basis. This feature enables signaling translation between E1 and T1 equipment and allows inexpensive T1 channel banks to connect with E1 circuits.

OpenVox DE210E 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, also included are advanced call features.

Echo Cancellation Features

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