I want to
Recent Comments
Tag cloud
Clients High definition Interoperability Video quality Video calling Media Smartphone enterprise video conferencing Operating system Mobile video iPhone Video telephony handsets 3G-324M codec user interface Skype H.323 SIP developers bandwidth Presence visual communication Telephony HD Video VoIP Android communication IMS packet loss Services development service providers hardware software webinar design Apple eBook RADVISION Standardization videophone Google
Tsahi Levent-Levi
Tsahi Levent-Levi is the CTO of the Technology Business Unit at RADVISION. His experience includes product management and development, project management, with a strong background in development and management of complex VoIP projects. Tsahi currently manages a wide range of VoIP and 3G client products, which enjoy significant market share in the industry.
In addition, Tsahi serves as co-chairman of the IMTC IMS Activity Group, which focuses on interoperability issues relating to IMS client applications. He also regularly participates in related 3GPP standardization conferences, where he works tirelessly to improve the standards for the industry as a whole.
When Tsahi isn’t editing his blog on how to make video-based telecom networks work, he enjoys playing with his two kids, developing new culinary innovations in his suburban Tel Aviv kitchen, or practicing Argentinean Tango with his lovely wife, a ballroom dancing instructor, while their daughter and son, look on.
Google’s Trojan Horses are their Drivers of Innovation
By Tsahi Levent-LeviCategories:Standardization | September 8, 2011
Google is using Android and Chrome as their Trojan horses to give them a competitive edge that others will be hard pressed to achieve.
Read more »
NetSense 101 Part 4: Q&A
By Tsahi Levent-LeviCategories:Technology | August 31, 2011
Wrap up our series about bandwidth estimation with a few questions and answers regarding NetSense - a delay-based bandwidth estimation mechanism.
Read more »
NetSense 101 Part 3: Delay-based Bandwidth Estimation
By Tsahi Levent-LeviCategories:Technology | August 24, 2011
NetSense is a bandwidth estimation algorithm that looks at delays instead of packet losses. This trait gives it a significant advantage over other techniques.
Read more »
NetSense 101 Part 2: Packet-loss-based Bandwidth Estimation
By Tsahi Levent-LeviCategories:Technology | August 18, 2011
There’s an industry standard for bandwidth estimation. It might not be the best, but it is how solutions work today. In this post, Tsahi will explain the packet-based bandwidth estimation approach and its limitations.
Read more »
NetSense 101 Part 1: Why do we need Bandwidth Estimation?
By Tsahi Levent-LeviCategories:Technology | August 11, 2011
The fact that our networks are getting faster and wider doesn’t necessarily means that video calling can ignore the simple question of how much bandwidth there is available.
Read more »
Why is Developing a Video Calling Application Complex?
By Tsahi Levent-LeviCategories:Clients | August 4, 2011
What makes video calling applications complex to develop and why you should really consider licensing this technology in one piece from others.
Read more »
Why do we Need RTCP Anyway?
By Tsahi Levent-LeviCategories:Standardization | July 14, 2011
RTP is used to send media. RTCP is used to control it. But does it has any real use or value? Do we really have a need for this additional protocol?
Read more »
HD Voice Revisited
By Tsahi Levent-LeviCategories:Interoperability,Standardization | July 5, 2011
Wideband voice isn’t easy to deal with. Not because of technological barriers but mainly because of the wide range of possible codecs. Which ones should you be looking at for your next project?
Read more »
What Can We Expect From H.265?
By Tsahi Levent-LeviCategories:Standardization | June 30, 2011
H.265 is going to be ready as a draft in the beginning of 2012. What can we expect of it and what are its implications over VoIP hardware and software solution?
Read more »
VoLTE and the IMTC SuperOp – A Step Forward
By Tsahi Levent-LeviCategories:Interoperability | June 23, 2011
The IMTC IMS AG just finished a successful interoperability event for VoLTE. What did it achieve and where is it headed next with VoLTE?
Read more »
•
•
•
•
