Contour Ltd www.network.kz Kazakhstan

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General office

Contour Ltd www.network.kz
Almaty
,480072
Kazakhstan

Phone: +7 333 242 3002
Site: http://www.network.kz

Contact Person

Dmitry Ushanev / Manager
Phone: +7 333 242 3002

Voip Termination ISP

Fax To Fax
H.323 Softswitch & CPE
H.323 VoIP Gateway
Outsourced Billing
Partnering for Origination and Termination
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway

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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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