Net 4 India Limited India

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General office

Net 4 India Limited
D-25, Sector-3
Noida
UP ,201301
India

Phone: +91-120-4323500
Site: http://www.net4.in

Contact Person

Smita P / (Wholesale)
Phone: +91-120-4323500

International VoIP Wholesale Provider
Internet Telephony Service Provider

Call Relay VoIP Solutions
Call Routing VoIP Solutions
Collaboration
Consultancy Services
Data Conferencing
E1 Bulk Wholeseller
Gatekeepering
Installation and Support Services
IP devices
Outsourced Billing
Partnering for Origination and Termination
PC to Phone
Phone To PC
Project Mangement Services
SIP Softswitch & CPE
SIP VoIP Gateway
System Integration
Termination
vFone
Web Call
Web To Phone

Audiocodes
Cisco Systems
Quintum

Billing system of own development
Our Own ASP Solution
Proprietary

Net 4 India Limited

Adiance Technologies Pvt. Ltd

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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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