Zenite Tecnologia e Teleinformatica Ltda. Brazil

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General office

Zenite Tecnologia e Teleinformatica Ltda.
Av. Julia Freire, 1493 - Expedicionarios
Joao Pessoa - PB
Paraiba - PB ,58041-000
Brazil

Phone: +55 83 3044 2700
Site: http://www.zenitetecnologia.com.br

Hardware

SIP VoIP Gateway

Welltech

another

ZipVox Telefonia IP

DigiLinea

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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shenzhen qmediatech co.ltd

Qmediatech is an operators with legal qualification in china, a leading global provider of wholesale VoIP services to businesses big and small seeking to international reach at an incredibly low cost. Our extensive network of international telecom partner