Global Centrex Tunisia

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Global Centrex
19, rue Ahmed Rami
Tunis Belv?d?re
,1002
Tunisia

Phone: +216 71 849 605
Site: http://www.global-centrex.com

Hardware
Hosted VoIP billing service provider
International VoIP Wholesale Provider
Internet Telephony Service Provider
SIP Billing
VoIP Billing Software Provider
Voip consulting

Billing Software
Call Relay VoIP Solutions
Call Routing VoIP Solutions
Collaboration
Consultancy Services
H.323 Softswitch & CPE
H.323 VoIP Gateway
H.323 Wireless/ GSM VoIP Solutions
Installation and Support Services
IP devices
Outsourced Billing
PC to Phone
Phone To PC
Phone To Phone
SIP Softswitch & CPE
SIP VoIP Gateway
System Integration
Web Call
Web To Phone

Cisco Systems

Custom Open Source Billing Solution

Share Open Source

Eureka

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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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Beyond Voice telecom LLC

Beyond Voice is the fastest growing company in the telecommunication services ranging from prepaid communication services to wholesale voice traffic. Beyond Voice Telecom is rapidly expanding its network throughout the United States of America and Africa.