Isabel S.A. Moldova

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General office

Isabel S.A.
74/3, V.lecsandri
Chisinau (Kishinev)
,2012
Moldova

Phone: +373 2222 1700
Site: http://www.babilon.md

International VoIP Wholesale Provider
Internet Telephony Service Provider
Voip Termination ISP

Call Routing VoIP Solutions
E1 Bulk Wholeseller
Partnering for Origination and Termination
Termination

Cisco Systems
Mera

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EndimAG

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Echo cancellation module VPMADT032

VPMADT032 echo cancellation module is meant to be used with the Digium IP telephony boards; it provides echo cancellation for configurable long "tail" of up to 128 ms (1024 samples) simultaneously for all ports of the board. All IP-PBX Asterisk servers, connected to the telephone network (PSTN) have one common problem, which is "hybrid echo" - echo obtained due to the difference in the load-wire and four-wire telephone circuits. Echo appears as a distorted reflection and a detainee of the caller's voice, who is subscribed to IP-PBX Asterisk while talking to PSTN subscribers.

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