IP PBX / Analog Modules

Atcom EC32L 32 channels G.168–2002 Echo Cancellation Module, Digital (T1/E1/J1) Card, Comparable to Digium 1VPMOCT032LF

Part: EC32L


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  • For the VoIP connecting to the PSTN, echo with the voice communication has been a problem hard to solve and inevitable . Asterisk has a range of software-based Open Source echo cancellation routines that are moderately effective in eliminating the echo. However, there are cases in which these algorithms are not effective. 
  • To solve this problem, ATCOM offers a line of DSP-based echo cancellation modules for all the digital (T1/E1/J1) cards with the EC series modules.

  • Works with AXE1DL
  • 32 channels G.168–2002 echo cancellation in hardware
  • 1024 taps/128 ms tail per channel on all channel densities
  • DTMF decoding and tone recognition
  • Voice quality enhancement: music protection, acoustic echo control, and adaptive noise reduction
  • Does not increase the physical size of the card, and no additional slot is required

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