Application Focus: Push-to-Talk (PTT)

Nick Fox Application Focus, General, How-to

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeApplication Focus In this new series we shall highlight some of the applications of the MultiDSLA system. The aim is to build a concise and practical guide to the many applications in which MultiDSLA delivers reference measurements around the world. We begin with the subject of Push-to-Talk. Why Push-to-Talk? Push-to-Talk, often referred …

POLQA vs PESQ – “Why does PESQ give a lower score?”

Nick Fox How-to, In More Depth, Lab

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard Skype“Do I really need POLQA?” The question is understandable, as the cost of POLQA can be a little greater than the cost of PESQ. MultiDSLA customers recognize great value and sometimes want to pursue it to the limit!  Well, predictably, the answer is “It depends…” but to be more helpful Opale published …

Troubleshooting Voice Quality

Nick Fox How-to, In More Depth, Lab, Network Performance

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeWhen a quick dash for the MOS is not enough The Task Sometimes that quick dash to fill a spreadsheet with Mean Opinion Scores (MOS) just won’t cut it. OK, we get it, your manager wants a report on the voice quality performance of widget X, so you reach for the test …

Network Testing – Quick Start Video series

Aymeric TIBURCE How-to, Network Performance

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeI’ve just started a Quick Start Videos to start network testing in less than 10 mins  from installation to test results viewing and reporting. How-to activate your license How-to install a software agent How-to create and schedule a network performance test How-to create and schedule a service performance test How-to view individual …

Know everything about MOS – Part 3: Reference Speech Files

Aymeric TIBURCE How-to, In More Depth, Lab

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeSelecting Reference Speech Files In this third episode of “Do you really know everything about MOS” video series, we explain how to select correct reference speech files for POLQA and PESQ voice quality tests. You will also learn how to verify the ITU compliance of the reference speech files you are actually …

POLQA & PESQ – Know everything about MOS – Part 2

Aymeric TIBURCE How-to, In More Depth, Lab

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypePOLQA or PESQ? In this second episode of “Do you really know everything about MOS?” video series, we explore in more details ITU PESQ and POLQA MOS algorithms and related test methodologies. You will learn what are the limitations for each algorithm, and when to choose PESQ or POLQA (ITU P.863) depending …

Best Practice #1 : Monitor your WAN Performance

Aymeric TIBURCE How-to, Network Performance

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeMonitor your WAN Performance is the second article of our “Lose the frustration and regainc Visibility and control” article series. In the first episode we introduced 5 Best Practices applied in the real world by Network Engineers: Monitor your WAN Service Provider Validate VoIP/Video Monitoring Service Assurance WLAN Connectivity and Performance Network …

Network Engineers: Lose The Frustration And Regain Visibility and Control

Aymeric TIBURCE How-to, Network Performance

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeThis article depicts why and how enterprise network teams have seen their working environment totally transformed and become so complex in the past years. It then introduces 5 Network Engineer’s best practices that will, I hope, soothe your frustration of losing visibility, and show you how to regain full control of your …

Know everything about MOS – Part 1
Wait… which MOS, exactly ?

Aymeric TIBURCE How-to, In More Depth, Lab

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeAbout this video: MOS has become a common requirement in device and network testing, but the origin and meaning of MOS can be obscured and confused. In this 4 min first video, we begin with a discussion of three key aspects of voice quality measurement : Mean Opinion Score, POLQA & PESQ …

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v5.3.0 MultiDSLA Upgrade How-To

Aymeric TIBURCE How-to, New Releases

LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeWe’ve just released the new MultiDSLA v5.3.0, and we hope you will enjoy all the great new features, and the improved stability of the system. But before anything else, and particularly before installing the new v5.3.0 software update, please ensure you do perform the required instructions steps described below. Because the new …