Kolk Group, Inc. United States

Kolk Group is the carrier of international long distance telephone calls. We are here to serve you with the most modern communications technology available. Our mission is to bring value to our customers and oru partners.

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General office

Kolk Group, Inc.
130 Rose Ave
Woodcliff Lake
New Jersy , NJ 07677
United States

Phone: +1-201-775 4305
Site: http://www.kolktel.com

Contact Person

Gennady Klemeshev / CEO
Phone: +7-926-529-9391

International VoIP Wholesale Provider

H.323 VoIP Gateway

Sonus Network

Java Based own system

CallExchange

IP Communications

Providers in database: 6433

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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