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Skype vs. Google Voice: Feature-by-feature showdown
Two companies are competing to rule the free-VoIP market. This chart offers a feature-by-feature comparative look at Skype vs. Google Voice. Feature
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TCO metrics key, but complex in IP telephony systems deployment
Total cost of ownership (TCO) metrics for new IP telephony systems are often overlooked by enterprises, according to a new study, but other factors rank high in importance. Feature
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Top unified communications definitions for UC professionals in 2011
After crunching numbers to see which unified communications definitions our readers searched for most in 2011, one thing's clear: As UC evolves, you like to return to the basics. Feature
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Guide to session border controllers: Inside IP telephony's traffic cop
This learning guide to session border controllers details the role that session border controllers play in IP telephony infrastructure, how they foster interoperability and more. Tutorial
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Best IP telephony tutorials and primers of 2010
The best IP telephony tutorials and primers for 2010 covers IP telephony infrastructure migration and management strategies; the challenges of IP telephony interoperability; how to overcome interoperability and integration issues; and the pulse of ov... Best of 2010
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Tutorial: Connecting and leveraging VoIP islands
The creation of VoIP islands is prevalent among many VoIP networks and can hinder the benefits of VoIP. In this tutorial, you will learn what VoIP islands can do to a VoIP network and how to connect them, and you will examine a business case for brid... Tutorial
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Determining VoWLAN solution ROI
Learn about deploying a VoWLAN system and how to determine implementation ROI. This chapter details the considerations you should take into account when planning a VoWLAN deployment. Chapter Download
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Comparing VoIP vendors
For many companies, the tough decision isn't whether to use IP telephony or not -- it's which vendor to choose. We've collected some of Carrie Higbie's tips and tricks for vendor selection, garnered from her "Ask-the-Expert" section. Carrie regularly... Checklist
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Voice over IP Fundamentals: Chapter 9, 'Billing and Mediation Services'
Voice over IP Fundamentals: Chapter 9, 'Billing and Mediation Services' Chapter Download
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Executive Guide: VoIP
Many IT organizations are making the move to VoIP. But is VoIP right for every one? Check out the various resources in this month's Executive Guide to learn more about the costs, benefits, risks and conversion issues of moving to a VoIP system. Executive Guides
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Finding unified communications ROI isn't simple, but study ties UC to gains
Quantifying unified communications ROI often yields subjective answers about productivity, but a new study draws a stronger correlation between collaborative tools and monetary gains. Article | 03 Dec 2009
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Business IP telephony savings driving cost UC beyond the office walls
Fixed mobile convergence (FMC) and savings on business IP telephony applications are still driving mobile unified communications, as vendors court cost-conscious enterprises. The big question now is how to extend those savings to employees outside th... Article | 11 Jun 2009
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IP telephony project: Caterpillar converting 100,000 phones
Caterpillar, the world's largest manufacturer of construction and mining equipment, is in the midst of a massive IP telephony project. Steve Bergstrom, Caterpillar's enterprise voice and unified communications architect, said the company has converte... Article | 03 Jul 2008
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Unified communications' business value cloudy, but enterprises want it
Interest in unified communications (UC) is growing, according to Forrester Research, but adoption of the technology is not. Business executives are bullish on the technology, but companies are still confused about its business value. Article | 17 Jun 2008
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Microsoft's partnership with Aspect sparks interest in converged contact centers
Early promoters of converged contact centers claim the efficiencies lead to improved sales and happier customers, but the research results are less clear. Article | 01 May 2008
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As cheaper option, IP telephony goes mainstream
IP telephony is now mainstream, thanks to the cost savings it can bring, according to research firm In-Stat. One small Texas city will cut its annual telecom costs by $90,000 by making the switch. Article | 17 Jan 2008
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Communications-as-a-Service taking hold
Communications-as-a-Service (CaaS) is taking hold worldwide as a viable hosted IP telephony solution. Article | 11 Sep 2007
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VoIP call center ROI: Top five headlines
This report offers a look at the VoIP call center landscape today and the considerations involved in measuring the ROI of VoIP call centers. Article | 04 Sep 2007
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ROI for IP contact centers
When utilized effectively in the contact center, IP can deliver payback in 12 months or less, says Donna Fluss. In her latest column, learn how Delta Air Lines achieved $16 million in annual telecommunications savings with IP and how to design your o... Column | 04 Sep 2007
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Justifying VoIP deployment without cost-analysis
VoIP and UC deployment ROI can be measured using non-financial metrics. Learn more about VoIP ROI in this article from Yankee Group's Zeus Kerravala. Article | 24 Jul 2007
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Calculating TCO of hosted unified communications solutions
Learn what elements to account for when calculating the total cost of ownership (TCO) of your hosted unified communications solutions. Tip
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Voice virtualization: Early look, mitigation and network preparation
Enterprises that want to save money with a combined VoIP and virtualization deployment would be wise to consider these tips on voice virtualization. Tip
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Viable voice telecom solutions for small, medium and large enterprises
There is no one-size-fits-all voice telecom solution. The size of your organization determines the viable telecommunication options for you. Tip
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Business collaboration benefits: Assessing the technology
There are many business collaboration benefits. This guide highlights a business case for using collaboration services in your enterprise. Tip
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Compare free UC from Skype and Google Voice to business phone systems
To use free UC features from Skype and Google Voice, small businesses must be aware of five major differences from business phone systems. Tip
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Top 5 trends in enterprise IP telephony
What comes after full-scale IP telephony deployment? There are five important trends shaping the future of enterprise IP telephony. Tip
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Pulling the plug on desk phones and PBX phone systems
Desk phones and PBX phone systems have been the de facto standard for years. Not sure if you’re ready to let go? Ask yourself these questions and find out. Tip
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The future of IP telephony still trapped in the PBX era
The future of IP telephony and the IP PBX is still locked in the PBX era. Enterprises need to stop treating IP telephony systems like TDM systems. Tip
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Open source -- What voice managers need to know
Open source technology can make sense for VoIP deployments, and can be used in a hybrid approach with existing proprietary hardware or software. Learn more in this tip. Tip
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VoIP management tools: Calculating ROI
Before purchasing management tools for VoIP, you may need to calculate the return on investment (ROI) to justify the cost of those tools. In this tip, Gary Audin explains how to calculate ROI and provides specific checklists for calculating the ROI f... Tip
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What can make telephone systems more energy efficient?
You can make just about anything energy efficient, even telephone systems. See what options our unified communications expert suggests. Answer
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Can Session Initiation Protocol run on top of 802.11?
Session Initiation Protocol may be able to run on top of 802.11, but there are important factors to address, says telephony expert Matt Brunk. Answer
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Why is SIP trunking better than PRI and BRI?
SIP trunking is preferable over PRI and BRI based on flexibility and cost benefits, says telephony expert Matt Brunk. ATE
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What are the benefits of SIP trunking compared with hosted VoIP?
Benefits of SIP trunking vs. hosted VoIP stem mainly from cost savings, but one isn't necessarily replacing the other, says VoIP expert Matt Brunk. Answer
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Subpar office telephone systems: Is there a solution?
When seeking solutions for subpar office telephone systems, assess your company's needs and flaws of the current provider, our telephony expert says. ATE
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Why can't I keep my old digital proprietary phones?
SMBs looking to change to phone systems that are easier to maintain often have to give up their digital proprietary phones, our telephony expert explains. Answer
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What are the operational costs associated with VoIP after implementation?
Learn how to plan for the operational costs of VoIP, after the initial deployment and implementation. Ask the Expert
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What are the soft savings of VoIP?
Learn about the soft savings of VoIP, including presence and other employee efficiency. Ask the Expert
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What type of company structure will maximize VoIP ROI?
Learn what kind of company structure -- enterprise, SMB or somewhere in between -- will maximize VoIP ROI. Ask the Expert
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What is more cost efficient -- VoIP or an IP telephony system?
Some are hesitant to invest in VoIP or IP telephony without understanding the cost benefits of both options. Find out what is more cost efficient -- VoIP or an IP telephony system. Ask the Expert
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private branch exchange (PBX)
A PBX (private branch exchange) is a telephone system within an enterprise that switches calls between enterprise users on local lines while allowing all users to share a certain number of external phone lines. Definition
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IP address (Internet Protocol Address)
The Internet Protocol (IP) is the method or protocol by which data is sent from one computer to another on the Internet. Definition
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Vendors Debate: How can you make your UC deployment a success?
Representitives from Avaya and Dialcom discuss their strategies for deploying unified communications and getting a real return on investment. Podcast
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What can make telephone systems more energy efficient?
You can make just about anything energy efficient, even telephone systems. See what options our unified communications expert suggests. Answer
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Calculating TCO of hosted unified communications solutions
Learn what elements to account for when calculating the total cost of ownership (TCO) of your hosted unified communications solutions. Tip
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Can Session Initiation Protocol run on top of 802.11?
Session Initiation Protocol may be able to run on top of 802.11, but there are important factors to address, says telephony expert Matt Brunk. Answer
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Why is SIP trunking better than PRI and BRI?
SIP trunking is preferable over PRI and BRI based on flexibility and cost benefits, says telephony expert Matt Brunk. ATE
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What are the benefits of SIP trunking compared with hosted VoIP?
Benefits of SIP trunking vs. hosted VoIP stem mainly from cost savings, but one isn't necessarily replacing the other, says VoIP expert Matt Brunk. Answer
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Voice virtualization: Early look, mitigation and network preparation
Enterprises that want to save money with a combined VoIP and virtualization deployment would be wise to consider these tips on voice virtualization. Tip
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Viable voice telecom solutions for small, medium and large enterprises
There is no one-size-fits-all voice telecom solution. The size of your organization determines the viable telecommunication options for you. Tip
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Subpar office telephone systems: Is there a solution?
When seeking solutions for subpar office telephone systems, assess your company's needs and flaws of the current provider, our telephony expert says. ATE
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Why can't I keep my old digital proprietary phones?
SMBs looking to change to phone systems that are easier to maintain often have to give up their digital proprietary phones, our telephony expert explains. Answer
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Business collaboration benefits: Assessing the technology
There are many business collaboration benefits. This guide highlights a business case for using collaboration services in your enterprise. Tip
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About IP Telephony ROI
Migrating to IP telephony usually involves proving ROI before you proceed. Here you'll find a library of articles on VoIP cost issues, resources for figuring cost and justifying deployment, case studies that show how your peers leveraged their investments, and our popular VoIP ROI calculator.