Echo Cancellers

Echo
Cancellers
& VQE

VCL Products > Echo Cancellers & VQE

E1, T1 Echo Cancellers and Voice Quality Enhancement (VQE)

Description:

The VCL offers a wide range of echo cancellation and voice quality enhancement (VQE) solutions for the following network situations. The echo canceller equipment is compliant to ITU-T G.164, G.165, G.168 (2000 / 2002) requirements for echo cancellation. The echo canceller supports fax / modem G.164 and G.165 (2100 Hz) tone disable function. Wireline, International Gateway, Wireless, Satellite and IP Gateways, Long distance telephony, GSM, CDMA, TDMA, VoIP, satellite and radio communication applications.

  • E1 Signaling Support:
    • 30B+D PRI ISDN (Euro ISDN) signaling,
    • 31B (31 voice channels) with out-of-band signaling,
    • R2 CAS Signaling,
    • SS7, C7 signaling (on any user selected time-slot).
    • C5, CCS, Q50 (AB/CD),
    • All signaling options are User Selectable / User Configurable.
  • T1 Signaling Support:
    • 24B (24 Voice Channels) with out-of-band signaling (C7 / SS7 Signaling on any user selected time-slot)
    • 23B+D, PRI ISDN (23 Voice Channels + D Signaling Channel),
    • D4 Robbed Bit Signaling,
    • CCS (C6, C7), RBS (E&M, PLR, FXS-GS, FXO-GS, FXS-LS, FXO-LS)
    • All signaling options are User Selectable / User Configurable.



E1 Echo Canceller (1 x E1)

Valiant offers a compact, robust and cost effective E1 echo canceller solution in 19
inch, 1U high (44mm height) chassis (accommodates 1, E1 echo canceller per shelf).
Echo cancellation on each channel is 64ms Bi-Directional / 128ms. Uni-Directional
echo tails - user selectable.

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T1 Echo Canceller (1 x T1)

Valiant offers a compact, robust and cost effective T1 echo canceller solution in 19 inch, 1U high (44mm height) chassis (accommodates 1, T1 echo canceller per chassis). Echo cancellation on each channel is 64ms Bi-Directional / 128ms. Uni-Directional echo tails - user selectable.

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E1 Echo Cancellers with Voice Quality Enhancement (VQE)

Valiant offers the industry's most compact 8, E1 echo canceller with voice quality enhancement (VQE) solution in a 19-inch, 1U (44mm height) chassis, with echo-tail displacement feature which is user programmable from 0ms. to 896ms. Echo cancellation on each channel is 128ms. bi-directional.

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T1 Echo Cancellers with Voice Quality Enhancement (VQE)

Valiant offers the industry's most compact 8, T1 echo canceller with voice quality enhancement (VQE) solution in a 19-inch, 1U (44mm height) chassis, with echo-tail displacement feature which is user programmable from 0ms. to 896ms. Echo cancellation on each channel is 128ms. bi-directional.

Read More... Get Data Sheet



Valiant Communications is an ISO 9001:2015, ISO 10001:2018, ISO 14001:2015, ISO 27001:2013 and ISO 45001:2018 certified equipment manufacturer.