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ALSO CALLED: Voice over Internet Protocol, IP Voice, Cable VOIP, VoIP Services, Voice over IP, Voice-over-Broadband, VoB, Voice-over-IP
DEFINITION: A comfort noise generator (CNG) is a program used to generate background noise for voice communications during periods of silence that occur during the course of conversation. CNG is part of the silence suppression or voice activity detection (VAD) handling for VoIP (Voice over IP) technology. The purpose of VAD and CNG is to maintain an acceptable perceived quality of service (QoS) while simultaneously  … 
Definition continues below.
VoIP White Papers (View All Report Types)
151 - 156 of 156 Matches Previous Page  |  Next Page
IP Telephony Secrets Your Equipment Vendor Won't Tell You
sponsored by Citel
WHITE PAPER: Purchasing equipment for a VoIP migration? Learn what the vendor won't tell you and the secrets to a successful VoIP deployment by reading this white paper now.
Posted: 15 Nov 2006 | Published: 15 Nov 2006

Citel

Converged Network Infrastructure: Evaluation of Resilience, Performance & Quality of Enterprise Infrastructure for Voice, Data and Video Services
sponsored by Nortel Networks Corporation
WHITE PAPER: Converged services are being deployed extensively in enterprises to take advantage of the advances in IP-based voice, data and video service offerings.
Posted: 19 Oct 2006 | Published: 01 Sep 2006

Nortel Networks Corporation

VoIP Basics for IT Technicians
sponsored by Fluke Networks
WHITE PAPER: VoIP brings a new environment to the network technician that requires expanded knowledge and tools to deploy and troubleshoot IP phones. This paper provides an introduction to VoIP technology and operation.
Posted: 21 Aug 2006 | Published: 01 Jul 2005

TOPICS:  IP Phones | VoIP
Fluke Networks

10 Myths of Enterprise VoIP Migration
sponsored by Citel
WHITE PAPER: Based on real world deployments, this white paper offers practical advice in building the business case for a VoIP migration.
Posted: 28 Jul 2006 | Published: 28 Jul 2006

Citel

VoIP: How to Plan for the Bandwidth and Calculate the Cost Savings
sponsored by Global Knowledge
WHITE PAPER: VoIP integrated networks are easy to design and the cost justifications are simple to calculate, learn the step-by-step process of how to calculate the potential cost savings of a voice and data integrated network for your organization.
Posted: 03 Apr 2006 | Published: 01 Jan 2005

Global Knowledge

XPI Solutions for Multi-Service/Access: Communications Test Equipment
sponsored by Agilent Technologies, Inc.
WHITE PAPER: This white paper discusses the importance for network operators to have visibility into the voice service quality being delivered to customers over voice-over-IP networks.
Posted: 24 Mar 2004 | Published: 12 Sep 2002

Agilent Technologies, Inc.
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VOIP DEFINITION (continued): …  keeping transmission costs and bandwidth usage as low as possible. CNG, in conjunction with VAD algorithms, quickly determines when periods of silence occur and inserts artificial noise until voice activity resumes. The insertion of artificial noise gives the illusion of a constant transmission stream, so that background sound is consistent throughout the call and the listener does not think the line has gone dead. Most conversations include about 50% silence. VAD software allows a data network carrying voice traffic over the Internet to detect the absence of audio and conserve bandwidth by … 
VoIP definition sponsored by SearchTelecom.com, powered by WhatIs.com an online computer dictionary

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