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VoIP quiz: Test your knowledge of VoIP fundamentals
Do you want to test your knowledge of VoIP fundamentals? Take this VoIP quiz and see what areas of voice elude you. Quiz
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Aptela uses APM appliance to fix networking issues
When Aptela needs to gather information on a client's network problems, they send them a cloud-based APM microappliance. Feature
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VoIP over WAN tutorial
This VoIP over WAN tutorial discusses how to design your WAN for voice, how much bandwidth is needed to support VoIP and how to optimize VoIP traffic. Tutorial
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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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Tutorial: VoIP ROI
It is important to understand the elements of VoIP ROI before investing in an expensive VoIP system. This tutorial walks you through VoIP ROI basics, VoIP deployment and implementation costs, and how to build a business case for VoIP. Tutorial
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VoIP implementation study guide
Our study guides consist of quizzes packed with helpful resources to help you understand the answers. Test your knowledge of VoIP implementation and key concepts like echo and security in this VoIP implementation study guide. Study Guide
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SIP tutorial
Session Initiation Protocol (SIP) is becoming the signalling protocol of choice in the IP telephony, VoIP and unified communications (UC) industries. This comprehensive tutorial details the ins and outs of basic SIP operation, security, troubleshooti... Learning Guide
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VoIP security and converged networks: A Special Report for CIOs
VoIP adoption hinges on midmarket CIOs' ability to overcome security and bandwidth concerns that go hand in hand with Internet technology. Special Report
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Voice over IPv6: Architectures for Next Generation VoIP Networks
VoIP technolgies are not immune to system failures, from hacking to jitter, and these issues can present problems for companies who depend on their network. This chapter examines some of the issues that are faced by VoIP systems, focusing on those th... Learning Guide
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Disaster recovery and business continuity fundamentals
The importance of disaster recovery and business continuity planning has been underscored in the wake of Hurricane Katrina, the Avian flu and 9/11. As important as maintaining continuous communications in a disaster is staying connected when random, ... Learning Guide
- See more Essential Knowledge on VoIP QoS and Performance
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New Sonus SBC technology: Modular scalability, branch survivability
Sonus announces two new modular session border controllers and branch survivability for enterprise Lync users. News | 23 May 2013
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Global enterprise taps AppNeta's PathView Cloud for VoIP monitoring
Herman Miller, an interior furnishings company, selected PathView Cloud from AppNeta for VoIP monitoring across its 100 global locations. News | 05 Sep 2012
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HD VoIP aids communications in a global economy, but by how much?
Vendors say a global economy drives the need for HD VoIP in multinational companies, as poor call quality exacerbates the ability to understand a colleague's foreign accent. News | 28 Jul 2011
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Users won't plug in tablets, but mobile UC via Wi-Fi still dicey
Laptops, tablets and smartphones have evolved into multipurpose mobile UC endpoints, but their preferred access—Wi-Fi—hasn't kept up. News | 30 Jun 2011
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Emerging unified communications management tools immature, demand light
VoIP monitoring vendors aren't ready to fully support unified communications management tools, and many enterprise UC deployments are still too immature to need them. News | 27 Jan 2011
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Application delivery controllers ensure enterprise's OCS 2007 R2 uptime
To ensure uptime for its UC applications, one global enterprise deployed application delivery controllers to intelligently load balance its Microsoft OCS 2007 R2 traffic. Article | 18 Nov 2010
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CA-NetQoS deal: Network management = application performance
When CA bought NetQoS this week, it signaled that network management is no longer about understanding performance between nodes, but about application performance management. Network managers need to know how network flows affect user experience. Article | 17 Sep 2009
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IBM, Avaya deals signal IP telephony quality control's coming of age
IP telephony vendors, in a race to prove that their quality excels, are enlisting new allies. Article | 21 May 2009
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Ensuring voice and video quality about more than watching packet flows
Unified communications managers need to manages more than the network when delivering voice and video services. They must make sure they also manage the user's quality of experience. Article | 15 Jan 2009
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Disaster and recovery in the VoIP/IPT RFP
Ensuring disaster and recovery in the VoIP/IPT RFP is about asking vendors the right questions upfront. Make sure your company's RFP templates adequately define its requirements. Article | 02 Jun 2008
- See more News on VoIP QoS and Performance
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Wireless voice over IP: What 802.11ac will do for VoIP
Learn what promises IEEE 802.11ac Gigabit Wi-Fi standard will have on wireless VoIP in the enterprise. Tip
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How are softphones being used in the enterprise and beyond?
Softphone bandwidth can be an issue while on the road, so how can network managers track softphone traffic and the user experience? Tip
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Advances in integrating UC apps into VDI environments
Unified communications in virtual desktop infrastructure causes network performance problems. Find out how to integrate UC apps into VDI environments. Tip
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IP telephony QoS: VoIP traffic management and prioritization
When conventional solutions don't improve IP telephony QoS issues, VoIP traffic management can help. Learn how to prioritize VoIP traffic, address voice delay and provide Class of Service-based routing. Tip
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IP telephony QoS: Capacity planning and management
Poor or irregular IP telephony QoS levels should alert voice managers to review network traffic, capacity, and traffic management measures before problems spread to all applications on the network. Tip
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VoIP service selection: MPLS, VPLS or Metro Ethernet?
Creating secure, reliable VoIP connections over a multi-site enterprise network requires knowledge of your specific infrastructure. Multi-Protocol Label Switching (MPLS), Virtual Private LAN Service (VPLS) and Metropolitan Ethernet (Metro Ethernet) a... Tip
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Microsoft's Real-Time Codec (RTC) for VoIP optimization
Microsoft's Real-Time Codec (RTC) delivers VoIP and unified communications services (UC) that are optimized in real time for available bandwidth. Tip
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IP phones get more innovative in 2008
The IP phone hasn't kept up with the rest of the VoIP ecosystem. Expect 2008 to be the year the IP phone undergoes a facelift as vendors create more functionality in the phone, allowing users to create a more custom experience. Tip
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Voice quality and MOS
Defining the nine elements of voice quality and Mean Opinion Score (MOS), the standard numeric value used to measure and report on voice quality. Tip
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Bringing QoS to end-user standards
The phone call setup experience and perception of voice quality are the biggest factors contributing to the user's satisfaction. However, while the dialing experience can be objectively measured, the caller's judgment of voice quality is subjective. ... Tip
- See more Tips on VoIP QoS and Performance
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Why is VoIP quality of service so challenging during implementations?
Voice over IP quality of service can be tricky due to a variety of factors that influence its performance, says VoIP expert Jon Arnold. AtE
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How does VoIP performance differ over LAN, WAN and other networks?
Environment affects VoIP performance, so it's important to consider how VoIP best fits in your environment is important, our UC strategies expert explains. Answer
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Can WAN optimization controllers do VoIP compression?
Expert Howard Hooper explains whether WAN optimization controllers can do VoIP compression in this Ask the Expert response. ATE
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Meeting expectations with VoIP implementations
What's wrong with VoIP implementations? According to UC expert Matt Brunk, it starts with mismatched expectations about Voice over IP among customers, implementers and providers. Answer
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Echo in a hosted VoIP solution: Could split LAN pairs be the culprit?
Unified communications expert Matt Brunk digs deep into his bag of tricks to help a reader experiencing a persistent echo problem in a hosted VoIP solution with Polycom phones. Answer
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Echo cancellation revisited: Identify and eliminate the root cause of delay
Prompted by a reply to an earlier response, unified communications strategies expert Matt Brunk discusses how to cancel echo when delay is significantly impacting voice quality. Ask the Expert
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A step-by-step guide to identifying and resolving background noise and echo
Matt Brunk provides a detailed, step-by-step strategy to accurately identify, address and resolve voice background noise and echo problems Ask the Expert
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How will VoIP impact the quality of phone calls on our network?
Learn how VoIP impacts the quality of phone calls on a network. Ask the Expert
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How does one cope with echo in a VoIP-enabled network? What's the best way to use an echo canceller
Learn how to cope with echo when in a VoIP-enabled network, as well as using a VoIP canceller. Ask the Expert
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Does implementing VoIP security affect the QoS? How would one handle it, if it does?
Learn how VoIP security implementation can affect QoS and how to handle this kind of problem. Ask the Expert
- See more Expert Advice on VoIP QoS and Performance
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mean opinion score (MOS)
In voice communications, particularly Internet telephony, the mean opinion score (MOS) provides a numerical measure of the quality of human speech at the destination end of the circuit. Definition
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VoIP (voice over IP)
VoIP (voice over IP) is an IP telephony term for a set of facilities used to manage the delivery of voice information over the Internet. (Continued...) Definition
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QoS (Quality of Service)
On the Internet and in other networks, QoS (Quality of Service) is the idea that transmission rates, error rates, and other characteristics can be measured, improved, and, to some extent, guaranteed in advance. Definition
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vishing (voice or VoIP phishing)
Vishing is an electronic fraud tactic in which individuals are tricked into revealing critical financial or personal information to unauthorized entities... (Continued) Definition
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Power over Ethernet podcast
This podcast discusses the emergence of Power over Ethernet and its many benefits to enterprise networks. Is the technology ready yet for mainstream adoption? Is it ready yet for your network? Let's find out… Podcast
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New Sonus SBC technology: Modular scalability, branch survivability
Sonus announces two new modular session border controllers and branch survivability for enterprise Lync users. News
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Why is VoIP quality of service so challenging during implementations?
Voice over IP quality of service can be tricky due to a variety of factors that influence its performance, says VoIP expert Jon Arnold. AtE
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Wireless voice over IP: What 802.11ac will do for VoIP
Learn what promises IEEE 802.11ac Gigabit Wi-Fi standard will have on wireless VoIP in the enterprise. Tip
-
How are softphones being used in the enterprise and beyond?
Softphone bandwidth can be an issue while on the road, so how can network managers track softphone traffic and the user experience? Tip
-
Advances in integrating UC apps into VDI environments
Unified communications in virtual desktop infrastructure causes network performance problems. Find out how to integrate UC apps into VDI environments. Tip
-
How does VoIP performance differ over LAN, WAN and other networks?
Environment affects VoIP performance, so it's important to consider how VoIP best fits in your environment is important, our UC strategies expert explains. Answer
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VoIP quiz: Test your knowledge of VoIP fundamentals
Do you want to test your knowledge of VoIP fundamentals? Take this VoIP quiz and see what areas of voice elude you. Quiz
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Global enterprise taps AppNeta's PathView Cloud for VoIP monitoring
Herman Miller, an interior furnishings company, selected PathView Cloud from AppNeta for VoIP monitoring across its 100 global locations. News
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Can WAN optimization controllers do VoIP compression?
Expert Howard Hooper explains whether WAN optimization controllers can do VoIP compression in this Ask the Expert response. ATE
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Aptela uses APM appliance to fix networking issues
When Aptela needs to gather information on a client's network problems, they send them a cloud-based APM microappliance. Feature
- See more All on VoIP QoS and Performance
About VoIP QoS and Performance
Ensuring VoIP QoS (quality of service) is vital to IP telephony networks. Learn how to optimize VoIP performance and ensure users are experiencing the call quality they expect. This section covers common voice over IP problems like VoIP packet loss, jitter, latency and echo, and VoIP management best practices to minimize or eliminate them. It also explains how to accurately calculate bandwidth requirements for VoIP and implement QoS mechanisms for prioritizing voice traffic on the enterprise network.