This may come as a surprise, but for the past couple of years I have been quite focused on “now” and on products in my “day job”, as I was busy leading teams of developers developing RADVISION’s video bridging technology.

I was part of the R&D organization, but as in most hi-tech companies I was mainly doing D - development - and haven’t really gotten to the R part. I was always working on “now”, trying to get things done and get products out as fast as possible (preferably yesterday).

I guess a change was due.

Well, as you can see from the picture above, a change has indeed come. And I am off - off to a new position, that is.

In my new role, I will be researching technologies in the CTO’s office, responsible for the evaluation and the development of them, as well as assimilating those into the R&D work. Yep, I’m talking research here. Research with a capital R.

Some consider this new role as “moving up” (I’m actually moving from the 8^th floor to the 9^th). Some call it “moving aside”. I prefer to think of it as “moving on”. I just hope I make as much difference, learn as much, and enjoy myself as much as I did in my previous role.

Wish me luck!

Download your free eBook guide on Video Conferencing, the Enterprise and You. Post from: Video over Enterprise

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The essential theme in Nick’s essay, in case you haven’t read it or his new book (which the essay is built on), is that technologies change us, often in ways we can neither anticipate nor control. Therefore, we should be careful in adopting all new technologies, especially if they can truly change the way we live our lives.

I LOVE technology, as I have already admitted here, but I have no problem with technology criticism, which probably has existed since the first technology (”Is The Wheel Making Us Lazier?”). One of the most famous tech critics I know, who is a very interesting writer and someone who inspired Nick Carr, is Neil Postman, author of “Technopoly: The Surrender of Culture to Technology“.

Postman claims that new technologies are not critiqued enough, because we live in a state of “Technopoly”, where technology is defecated and becomes THE culture, instead of offering tools for creating culture or at most play a central role in the culture.

Psychological Barriers? Give Me a Break!

Postman’s criticism is quite a brain-teaser, but as I said, I have a problem with people who - based on Postman’s views - reject technology without asking the right questions and getting the right answers. In this post, I will obviously discuss video conferencing as I find myself, time after time, amazed when people who put it down because “it has powerful psychological barriers“.

I have already discussed here the way video conferencing is different than our existing means of communication, for better and worse. And I agree that video brings with it a level of intimacy that all of our communication means currently lack, but isn’t it a BIG advantage?!

Oddly enough people feel they should “prepare” for a video conference, while they are much more “natural” “just talking” on the phone. Others resent the fact that on a video call the other party can see them - follow their gaze, determine if they are focused, interpret their emotions, etc. (something that would happen in a REAL LIFE meeting). Most people claim that they are simply “not comfortable” with video conferencing because they do not know how to behave in front of the camera.

Video Conferencing (in)Etiquette.

Nick Carr says it best - the Net is already becoming a universal medium, the conduit for most of the information that flows through our eyes and ears into our minds. Just like the advantages of having immediate access (via Google, or whatever search engine you’re using) to such an incredibly rich wealth of information is obvious, so are the advantages of using it to enhance our communication possibilities.

Most People Simply Don’t Know How to Have a Video Conference

Neil Postman suggested three questions one should ask himself when confronted with a new technology:

1. What is the problem to which this technology is a solution?
2. Whose problem is it actually?
3. If there is a legitimate problem here that is solved by the technology, what other problems will be created by my using this technology?

With Video conferencing, the problem it aims to solve is quite clear (and so are the benefits). It’s quite obvious that it is our problem (as in most of society), and so the benefits will also be ours. Regarding the problems it creates, I believe they are all just a matter of familiarity.

Fredric Paul, editor-in-chief of bMighty.com says that most people simply don’t know how to have a video conference. Everyone knows how to have an in-person meeting, some of us know how to attend an audio conference, but video conferencing is a whole different ballgame.

Video conferencing ups the engagement level of its participants - you can’t “hide”, you can’t mute and multitask, you can’t yawn too much or fall asleep on your desk, you have to be more conscious of your body language. In fact, you have to conduct yourself almost like you’re in the same room with those people…

Baby-to-baby video call via Skype. (CC)

Familiarity will take time. Video has already begun creeping into our hearts and minds via the media and the big names jumping in with video for our desktop . And as Fredric Paul observed, video eventually becomes “quite addictive”, and “once companies start using it, they find more and more uses for it and usage levels go up”.

So, if you are taking your first steps in the wonderful world of video conferencing, here are a few tips on the how in “how to have a video conference”:

• Connect a few minutes before the scheduled time to adjust your camera and sound levels.
• Avoid eating, drinking, gum-chewing, etc.
• Disable any potential distracting applications.
• Keep your gaze at the screen at all times.
• Don’t multi-task while you’re in a video conference.

To sum it up, I would say: treat a video conference as any other in-person meeting, except that you have to accept that you rely on tools and so you need to prepare them just like you prepare yourself.

Video Conference Would Just Become Part of Our Culture

The Internet has altered our mental habits, worries Nick Carr. Visual communication will alter our communication habits, but only for the better. And while Nick is haunted by a Stanley Kubrick’s “2001: a Space Oddyssey“, where people have become so machinelike that the most human character turns out to be (SPOILER ALERT!) a machine in the end, I believe that relying on video conferencing infrastructures to conduct most of our communications would not flatten, but broaden our hearts, minds and human interactions.

In “The Third Wave“, Alvin Toffler predicts a time of stability in terms of culture and technology in the future where the latest wave of change has enhanced our lives and sorted itself out in a way in which we can live in peace with both culture and technology. I’d guess that there I wouldn’t need to explain anything about video conferencing - it would just become part of our culture, just like Google.

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I hope I’ve already written one or two useful posts by now, but just in case you are looking for more, here are a couple which were not written by me, but go along very well with what I write (and preach):

On Tsahi’s blog, a colleague of mine, Amit Klir, has recently posted “Video Coding For Dummies“, which can certainly clarify various terms used by myself, as well as other bloggers, when dealing with video over IP. It also appears in the free eBook on Video Conferencing we just released last week (hey, that’s one USEFUL book… :-).

Mike Pihlman, who’s excellent review of Scopia Desktop I mentioned in my last post, wrote a similar post a couple of weeks ago, titled “Videoconferencing 101, Chapter 1“. In this post Mike defines and clarifies some basic terms you should know especially if you are reading this blog.

So if you’re interested in learning the basics about video coding and video conferencing, here’s a nice idea for a new year’s resolution - learn something new about video and video conferencing every week. Bookmark these, keep reading my blog, and slowly but surely dive into this wonderful world.

Enjoy, and a happy new year to us all!

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We got some good feedback on “Try Scopia“, but I have to admit that when I saw that Mike Pihlman’s, “Technology and Product Reviews For Everyone” blog was planning to review SCOPIA Desktop, it interested me the most.

Mike, who I have been following for a while, writes a technical blog on technology and product reviews specializing in video conferencing and other “green” technologies. Mike knows video conferencing, and so his feedback in the form of a product review, I assumed, would be something to look forward to.

And I wasn’t disappointed. Last week he posted “Radvision Scopia Desktop Review“, where he carefully reviews EVERYTHING about the product, from download and installation to video conferencing participation and recording. Bottom line - Mike says:

“The ability to instant collaborate is extremely valuable…

I see the SCOPIA Desktop as the culmination of years of effort to introduce a standard-base desktop product that can be used by anyone, anywhere, anytime.
Radvision has succeeded…

I would install the SCOPIA Desktop in a heartbeat…”

A Video Capture of Mike’s Video Review of SCOPIA Desktop.

In his post Mike was asking some good questions regarding SCOPIA Desktop, and it is my pleasure to assist with some good answers, which I gathered from the SCOPIA Desktop team. I thought it would be great to share them here as well:
[remarks and clarifications for Mike's answers in brackets]

How many people can view the stream [of a real-time video conference] at the same time?

SCOPIA Desktop’s integrated streaming experience, which includes audio, video and the presentation (with annotations), supports both unicast (1 to 1) and multicast (1 too many) streaming.

There is no limit on the number of clients that can simultaneously view such a stream (multicast), and the number of clients who can view different streams (unicast) at the same time is limited by the number of servers you get (of course you can deploy multiple servers).

In order to maximize capacity and optimize bandwidth utilization, an administrator can determine which users will view the stream in unicast and which users will see the stream in multicast.

Do all viewers need the Rad app [SCOPIA Desktop, that is], or can we also view it via REAL, QT, WM [popular video players] Or via an H.323 [video conferencing] client?

The SCOPIA Desktop web plug-in is needed for a full interactive experience. This plug-in is free to download “on demand” from the server when a user connects.
However, any standards based H.323 or SIP client can also connect to a meeting.
For a “view only” experience, participants can use the SCOPIA Desktop portal which embeds QuickTime’s streaming components.

When recording a meeting, is the “data” presentation also recorded?

Yes. And since SCOPIA Desktop records the data presentation in H.264 and in 720p, you can enjoy a great meeting experience, even when it is “just” a playback.

Is the desktop VC app H.323?

Not entirely. The media, RTP and SRTP are fully standard. Signaling is different because of the difficulty H.323 has with firewalls. This is especially true with remote users, and so we use a proprietary SIP-like protocol that is firewall and NAT friendly with HTTPS tunneling capabilities. Everything is, of course, automatic and transparent to the end user.

If not, where is the translating completed to connect to an H.323 MCU?

Translation is done on the SCOPIA Desktop Server that connects to the MCU via H.323. Therefore, you can conduct a meeting using a mix of desktop clients, room systems (SIP & H.323), mobile phones, and fixed phones.

Do the [virtual] meeting rooms have to be set up in advance, or are they pure “ad-hoc” needing only a set prefix?

Virtual rooms are set up in advance by the administrator to control the corporate use (define passwords, maximum allowed bandwidth, etc.).

A typical deployment will provide everyone in the organization with a virtual room number, similar to providing a personal phone extension.

Resources are not used unless someone is actually in the virtual room.
Ad-hoc meetings, where you can specify a prefix and a meeting ID, are also supported.

When I connect can I choose a meeting “location” of my choice? For example: 56123679 rather than 56666

Correct.

Can I hold meetings in two or three or four different virtual rooms? For example: 542345, 678456, and 1234?

Yes, you can have as many virtual rooms as you want.

Can a gateway be included to receive telephone or cell phone calls in meeting?

Absolutely. You can even include 3G phones in a meeting with the RADVISION 3G gateway. In that case, you will be able to send and receive video to/from a 3G phone just as easily.

If I were an enterprise buying this, what do I get? MCU? Server? GK? GW? What is essential and what is optional?

What you get is a bundled solution.
The SCOPIA solution includes SCOPIA Desktop, iVIEW (our management system), an integrated Gatekeeper, and the SCOPIA MCU.
This package includes unlimited client distribution, firewall traversal, streaming, H.323 & SIP connectivity to room systems. You designate a package with the appropriate number of concurrent users that you wish to support.
Conference recording and Gateways to ISDN, PSTN and 3G are optional.

I see you use IE to fully connect. Will you be supporting Firefox, Chrome, Safari, etc in the future?

Yes, support for more browsers as well as other platforms for the interactive experience is in the works.
Note that to view a stream of the meeting (Audio, Video and Presentation) you can use any of these, as all web browsers are supported, on both Windows and Mac.

How many people can meet in a live videoconference at one time?

Up to 200 interactive participants

I want to gather usage statistics such as: hours used per month per person, utilization, total hours used, etc. What do I need? Will that cost extra?

Call Detail Records (CDRs) are available from the iVIEW management suite, which is included in the bundle.

.

I hope that following Mike’s excellent review and the answers above, you will give SCOPIA Desktop a test drive, if you haven’t done so already. Just like Mike, I believe that this is THE way to communicate, from your desktop and to anyone, anywhere. I’m glad to see that others outside RADVISION share our enthusiasm and accomplishment.

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A Teleworker’s Dream (CC)

VoIP and firewalls - a must-solve problem

I have already mentioned RADVISION’s desktop client, Scopia Desktop, as it is used by all RADVISION employees for daily video conferences. Scopia Desktop enables any member of the organization, as well as customers and partners outside of the organization, to participate in any corporate video conference as it incorporates a built-in firewall traversal mechanism.

Ran from “Code of Contact” next door has already explained why VoIP is so hard on firewalls and NATs. IT people are working hard on blocking anything outside of the private network, including video conferencing clients. Ran discussed ways to solve this problem, but most are pretty sophisticated and/or require an additional investment - for instance, reconfiguring the firewall (huh?) or adding a Session Border Controller (a what?!).

As a user, especially someone who just received an e-mail inviting you to a video conference on some enterprise system, you really don’t want to bother with firewalls or any other technical obstacles. All you want to have to do is double-click the link, and get connected. No downloading, no configurations, no nothing. That is just what Scopia Desktop does.

An e-mail invitation to a Scopia Desktop conference (right) and the Scopia Desktop Portal (left).

When you receive an e-mail invitation to a conference, as seen above, you receive a hyperlink for the Scopia Desktop Portal. The portal gives you access to any meeting going on in the enterprise using a browser based user interface. You simply have to log in, click on “Participate Now” and… that’s that! Every time I use it, at home or in order to talk to someone outside of RADVISION, I am quite impressed at its simplicity.

What is Scopia Desktop Doing?!

As I am a tech guy, I don’t believe in luck, and so I wanted to get to the bottom of things. I had an insightful conversation with Emmanuel Weber, System Architect in RADVISION’s New Hampshire team, in charge of Scopia Desktop. Since RADVISION applied for a patent on this piece of innovation and the application is public, I can discuss here what Manu was kind enough to explain.

You need to understand: No matter how well you setup your company’s network to allow endpoints to connect from the outside, some video participants may not be able to connect. This is because you do not control the network parameters of the other side, and some organizations apply very strict policies (for instance, not allowing any other traffic than HTTP and HTTPS to/from the outside world). In other words, firewalls are fighting with the video.

To solve this problem, our inventive R&D guys developed a method of “tunneling” stuff over HTTP and HTTPS. It involves “hijacking” the packets to be sent over the network (over a connection-less channel - UDP), encapsulating them and sending them over a secure, connection-based, firewall-friendly connection to the remote party. In this manner the firewall has no way of knowing what is sent over the connection and therefore lets the media go through.

This is quite simple and useful, but large enterprises often use an additional layer of protection over their network in order to avoid the misuse of this channel with a HTTP proxy, or a pool of such proxies that control the traffic.

Therefore, The RADVISION solution implements not only all standard HTTPS features, but also all standard features regarding working with HTTP proxies, just like any web browser. This includes HTTPS tunneling through the HTTP proxy. To reach the server through a proxy, the client first locates the proxy, and then it establishes a connection to that proxy and asks the proxy to connect via the HTTPS port of the Server.

This method has been deployed tens of thousands of times around the world and found to successfully traverse the firewalls of the most meticulous IT departments, including customers in the financial and federal markets, which are known to have strict security policies.

As RADVISION’s desktop client, Scopia Desktop, uses all of the above technologies to connect the video conferencing system, it creates a seamless experience in connecting to the Scopia Desktop Portal and joining a meeting, no matter your network settings.

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“The Green Prophet” is an environment news and destination site reporting on Israel and the Middle East. It covers cleantech and green living solutions, as well as other green living issues. With a slogan like “The Middle East has never been greener” I couldn’t resist being somewhat of a green prophet, and so I wrote a guest post there about the green aspects of video conferencing.

My bottom line: Hard times call for hard measures. And so video conferencing should be regarded as a “must have”, not as “nice to have”, as the crisis we are trying to handle is one that we MUST solve.

You can read the entire post here. Comments, there and here, are most welcome.

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No elves or reindeers were harmed in the making of this blog post…

Download your free eBook guide on Video Conferencing, the Enterprise and You. Post from: Video over Enterprise

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• No related posts.

In our next bloggers meeting (yes, we have such meetings, where we drink expensive wine and discuss amazing things… NOT!) we decided it would be a great idea to have our own take on “passing out blogs”. We will collect some of the posts that were posted here in the past months and compile them together to form a book which our readers can use freely.

Even though I said before that I am a sucker for plain old books, we wanted something that could be not only easily distributed, but also could be easily used by you - easily distributed, easily shared, easily read. The answer we came up with was an eBook, one that will serve as a starting point for people interested in video conferencing and for those wishing to deploy video conferencing in their organization.

The result, “Video Conferencing, The Enterprise and You”, is a collection of articles, based on posts that appeared in this blog as well as some new ones that haven’t been published, that discuss video processing in general, video conferencing basics (what is it, why use it, etc.), and some interesting topics in regards to the deployment of video conferencing in enterprises.

If you’re interested in video conferencing, if you think of deploying video conferencing or just deployed a system, if you want to know more about it before you make a decision or made a decision but want to gather more information - feel free to download our eBook. You can send it to colleagues and friends, share it, use it as reference, send us feedback regarding it, or ask us questions- you name it.

The eBook is available here. Enjoy.

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Everyone seems to be asking the billions-of-dollars question:

What will be the office communication means of choice in a year, 2 years or 5?

I’d like to borrow from my next door neighbor Tsahi, and suggest a different way of looking at it: different communication means give different experience to users. So why not use them all?

Office Communication Means and the Communication Service Model

In his post, Tsahi suggested that any kind of network based communication service between people can be defined by a set of 4 parameters: bandwidth, immediacy, direction and participation. As we are discussing here, means of communication, which are used daily and by everyone for collaboration, I’ve added another two relevant parameters - ease of use and level of collaboration that is offered.

So here’s how those office communication means (legacy, new and future ) measure up:

1. IM is considered to be Synchronous, but one may argue that if the other party’s client is closed and/or the other party is unavailable, it is an asynchronous experience.
2. IM is considered to be Bidirectional, but one may argue that if the other party’s client is closed and/or the other party is unavailable, it is a unidirectional experience.
3. E-mail can be a 1:1 as well as a 1:N experience, depending on the type of e-mail chosen.
4. IM is usually a 1:1 service, but today’s IM clients can broadcast IM messages in a 1:N mode as well.
5. POTS is usually a 1:1 service, but today’s PBXs offer N:N services as well.

All of these can be roughly divided into three groups:

1. E-mail - Although inferior in most parameters, it is an easy to use, low bandwidth, collaborative tool, and therefore it is no surprise that it became the de-facto standard for corporate communication.
2. IM, voice - They are easy to use, low in bandwidth, and offer a easy and therefore very good experience (synchronous, bi-directional). Again, it is no wonder EVERYONE is using the phone and IM client.
3. Visual Communications - It is not really important if we are talking about Video Conferencing, High Definition Video Conferencing or Telepresence. All consume large amounts of bandwidth (some more than others), and although offer great features (N:N connectivity, for instance), they are harder to use and less intuitive. Therefore, they are still not as popular.

Office Communication Means in our Daily Behavior

If you want to send a colleague a message with a rather large amount of data, and immediacy is not top priority, e-mail would remain the best solution. It’s easy, quick and it does the job.

If there is a need for immediacy and bi-directional experience is important, one has a choice between voice and IM. Voice is more personal, but has a lower level of collaboration (no data).

If a high level of collaboration is essential, visual communication is a necessity. Depending on the level of in-person interaction expected, and the resource (bandwidth, equipment) availability policy in the organization, one can choose between legacy, high definition or next-generation video conferencing systems.

Office communication means… Why not use all?!

These communication means are quite different in nature even though they can be used for the same task - communicating. Therefore, it seems that none of them are going to vanish, although there may be one that dominates the market - but even so,  they may all come to serve us differently.

We have all learned to use these means, some if not  all, and work around them so that the latency of changing between them is minimized. Unified Communications vendors are working hard to get them to be  as unified as they possibly can be. So there shouldn’t be any need to choose one tool over the other, why not use them all and communicate better?!

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(CC)

Two years ago, John Chambers was already talking about mixing Technology with Sports in what Cisco calls “Cisco Connected Sports“. At a Q&A about the new Oakland Athletics park (Cisco Field) he said:

“Technology can have a major impact on the fan experience at ballparks… Cisco and the A’s will be setting new standards in terms of the field and the surrounding village… We are seeing incredible innovations in the digital media and video technology, including my favorite technology, Telerpresence. We can leverage both entertainment and sports to showcase the value of the network to enhance the fan experience”.

The concept of a stadium filled with high quality cameras that project any event from multiple views to large high definition screens in front of your seat, including replay-by-demand, sounds very promising. As Zeus points out, the same goes for other types of entertainment, such as music events, next generation gaming, and - of course - personal communication (which is a very popular means of entertainment, isn’t it?).

As all of this sounds like the natural evolution of entertainment, and since Tic-Tac-Toe is mentioned, I couldn’t stop thinking about “WarGames“, the wonderful 1983 motion picture from MGM.

The official trailer for “WarGames”.

In “WarGames”, in case you missed it (or don’t remember… after all, 25 years have passed), a supercomputer called WOPR (pronounced “Whopper”), which is programmed to predict all possible outcomes of a world war and choose the best scenario accordingly, is given control over NORAD’s missile silos.

To make a long story short, while WOPR goads the humans at NORAD into starting World War III in order to “win”, a bright teenaged hacker (Matthew Broderick) teaches WOPR that, as Sting wisely wrote in “Russians” “there’s no such thing as a winnable war”. He does that by letting WOPR play Tic-Tac-Toe against itself, which shows WOPR that “the only winning move is not to play”, which is a known conclusion from Game Theory.

“WarGames”, apart from being nominated for 3 Oscars, has made a great impact. It has inspired many technology and ethics related articles (see here and here for some good examples) and is responsible for the terms “War Dialing” and “Wardriving“. It also inspired video games like the official video game, the official strategy game, and several other games.

NORAD headquarters in “WarGames”

25 years later, it seems that “WarGames”, slightly updated with the latest in computer and weapons technology, is still very relevant. I guess if it was filmed today, there would probably be a few Telepresence systems in NORAD headquarters, and so WOPR 2000 could’ve enjoyed a high definition version of Tic-Tac-Toe, while learning the greater truths of life.

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