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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 Reports
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Cisco Collaboration Certifications Overview
sponsored by Global Knowledge
WHITE PAPER: Access this white paper to learn how the Cisco training courses delivered by Global Knowledge are changing to provide hands-on experience with new collaborative capabilities to teach IT professionals everything there is to know about this new approach to communications.
Posted: 07 Jul 2015 | Published: 07 Jul 2015

Global Knowledge

Bringing Business Communications into the Mobile Future
sponsored by Vodafone/Cisco
WHITE PAPER: Access this white paper to learn how Vodafone solutions can give you a modern communications system that is ready for the future of business.
Posted: 18 Jun 2015 | Published: 26 Dec 2014


SIP Trunking or Hosted Telephony: Which Should You Deploy?
sponsored by XO Communications
WHITE PAPER: In this expert guide, UC guru Michael Bradenburg walks you through the process of determining whether SIP trunking or hosted telephony is right for you.
Posted: 08 Jun 2015 | Published: 08 Jun 2015

XO Communications

What is the Real TCO of Unified Communications?
sponsored by XO Communications
EGUIDE: In this expert guide, you'll gain deep insight into the true TCO of UC solutions from various vendors, giving you the information necessary to find the best possible value.
Posted: 03 Jun 2015 | Published: 03 Jun 2015

XO Communications

How SIP Trunking Advantages Are Building the Case for VoIP
sponsored by XO Communications
EGUIDE: In this expert guide, you'll learn how to make a business case for SIP-enabled telephony systems.
Posted: 03 Jun 2015 | Published: 03 Jun 2015

XO Communications

How SIP for Enterprise Powers Unified Communications
sponsored by XO Communications
WHITE PAPER: Download and discover everything you need to know about session initiation protocol (SIP) trunking – your answer to an easier transition from distributed voice network to centralized, cost effective VoIP solution.
Posted: 28 May 2015 | Published: 26 Dec 2014

XO Communications

Is Hosted VoIP Right for You? 6 Must-Ask Questions
sponsored by XO Communications
RESOURCE: Access this report to learn the six questions that you have to ask before pursuing a hosted VoIP project.
Posted: 11 May 2015 | Published: 31 Mar 2013

XO Communications

Why Voice Unified Communications Services Remain Critical to Enterprises
sponsored by ThinkingPhones
WHITE PAPER: This guide explains the importance of voice unified communications, highlighting that most people believe a phone call is best for solving problems in the workplace.
Posted: 11 Mar 2015 | Published: 11 Mar 2015


From Product to Platform: Shifting Unified Communications into Mobile Apps
sponsored by
EBOOK: In this exclusive guide, you will explore the expansion of UC in mobile app development. Read on to discover how you can shift your UC collaboration apps from product to platform, and to learn four factors to consider when deploying mobile UC apps.
Posted: 12 Jan 2015 | Published: 12 Jan 2015

The lost opportunity – assessing the impact of OTT services
sponsored by
ANALYST REPORT: In this special report for Computer Weekly readers, Juniper Research looks at the challenges and opportunities facing mobile operator business models.
Posted: 22 Oct 2014 | Published: 22 Oct 2014

Top 10 Mistakes Deploying and Upgrading Lync Server 2013
sponsored by Global Knowledge
WHITE PAPER: This white paper provides valuable recommendations as well as the technical links that help you avoid common mistakes during a Microsoft Lync Server 2013 deployment.
Posted: 21 Mar 2014 | Published: 21 Mar 2014

Global Knowledge

Presentation: The BBC’s Unified Communications Strategy
sponsored by
PRESENTATION: Steve Shepherd, head of IT and business alignment at the BBC, explains how unified communications technology is transforming the BBC.
Posted: 14 Mar 2014 | Published: 14 Mar 2014

Cisco Communications Products in an IPv6 World
sponsored by Global Knowledge
WHITE PAPER: As IPv6 becomes more common place, it is important to know how Cisco Unified Contact Center Enterprise (Unified CCE) integrates with Cisco Unified Communications solutions, how IPv6 is supported, and how to accommodate it within your unified solution. The added IPv6 features like embedded security makes that goal more attractive and desirable.
Posted: 21 Feb 2014 | Published: 21 Feb 2014

Global Knowledge

Cisco IOS Digit Manipulation
sponsored by Global Knowledge
WHITE PAPER: Platform digit manipulation may be needed for many business phone calls as they traverse their gateways. his guide explores the role of digit manipulation techniques and various is ways it can benefit for your business.
Posted: 21 Jan 2014 | Published: 31 Dec 2013

Global Knowledge

Network Evolution University: Realizing the Benefits of Enterprise UC&C
sponsored by
VIRTUAL ENVIRONMENT: This virtual seminar focuses on how changing workforce practices are influencing unified communication strategies, how today's cloud UC services can serve businesses, and how your employees can communicate and collaborate effectively individually and in teams whether in the office, remote, or on the road.
Posted: 11 Jun 2013 | Premiered: 11 Jun 2013

UC&C Technology Adoption Leads to Increased Business Value
sponsored by Cisco
WHITE PAPER: This Technology Adoption Profile synthesizes the latest research on the adoption of modern unified communications and collaboration technologies and the value that it provides to companies.
Posted: 02 Apr 2014 | Published: 31 Jul 2013


Black & Veatch Improves Productivity and Collaboration with HP-Deployed Solution
sponsored by Hewlett-Packard Limited
WHITE PAPER: This guide takes a look at one company's success in modernizing their collaboration technology and saving money while doing so.
Posted: 19 Feb 2014 | Published: 31 May 2012

Hewlett-Packard Limited

Business Phone Systems - Virtual PBX
sponsored by RingCentral
WEBCAST: View this webcast to explore a cloud-enabled phone system that offers greater call, fax, and text message flexibility so that employees aren't confined to on-premise hardware to conduct business.
Posted: 18 Feb 2014 | Premiered: Jul 17, 2013


Ensuring you Get the Best Call Quality Available
sponsored by RingCentral
WHITE PAPER: This white paper highlights the 5 major factors that affects call quality, and offers a solution for these issues to ensure a top quality call experience.
Posted: 18 Feb 2014 | Published: 18 Feb 2014


Case Study: New capabilities of and applications for SIP Solutions
sponsored by XO Communications
CASE STUDY: This exclusive case study discusses how a multi-location auction company utilized an SIP solution that enabled them to capitalize on their investments in data and voice communications and maximize the performance of their IP.
Posted: 24 Jan 2014 | Published: 24 Jan 2014

XO Communications

Taking Visual Collaboration to the Next Level: Plan Use Cases, Architecture, and Adoption
sponsored by Cisco
WHITE PAPER: This white paper highlights how IT professionals can continually raise the business value of telepresence and what you should consider when implementing your visual collaboration strategy.
Posted: 21 Jan 2014 | Published: 31 Dec 2012


Application Performance Management: Intelligence for an Optimized WAN
sponsored by XO Communications
WHITE PAPER: In this resource, uncover valuable information about application performance management (APM), and why it's crucial to optimize network delivery as businesses demand more from their networks.
Posted: 05 Nov 2013 | Published: 30 Apr 2012

XO Communications

How One School Enhanced Their Educational Experience and Secured Their Campus
sponsored by Extreme Networks
CASE STUDY: This case study reveals which leading edge network Price of Wales Island International School used to enhance their educational experience for staff and students and to boost campus security.
Posted: 30 Aug 2013 | Published: 31 Oct 2012

Extreme Networks

Voice over IP (VoIP) Growth and the Strain on Network Security
sponsored by WatchGuard Technologies, Inc.
WHITE PAPER: Explore how VoIP can expose your organization to numerous risks and uncover why traditional firewalls often cannot thwart the many challenges VoIP presents.
Posted: 26 Aug 2013 | Published: 26 Aug 2013

WatchGuard Technologies, Inc.

Guide to Session Border Controllers: The Good, The Bad, The Ugly
sponsored by Sangoma Technologies
EGUIDE: This e-guide from lays out the truth about session border controllers (SBC) – the good, the bad, and the ugly. View now to learn why you need SBC, potential obstacles, and how to overcome them.
Posted: 19 Jun 2013 | Published: 19 Jun 2013

Sangoma Technologies
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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 … 
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