VoipUnify Telecom Portugal

http://www.voipunify.com

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General office

VoipUnify Telecom
Av. Fernão de Magalhães, nº 462 - 5º Dto
Porto
Porto ,4300-189 Porto
Portugal

Phone: +351 300 400 000
Phone: +351 300 400 002
Site: http://www.voipunify.com

Contact Person

Jorge Rocha
Phone: +351 300 400 000

A-Z Termination
did numbers provider
International VoIP Wholesale Provider
Internet Fax Service Provider
Voip Termination ISP
Wholesale VoIP Carrier

Sip Trunking
SIP VoIP Gateway
Termination
Virtual PBX

Not data

VoiPortugal

Total Recall (Europe)

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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