Video conferencing (VC)is the combination of dedicated audio, video, and communications networking technology for real-time interaction, and is often used by groups of people who gather in a specific setting (often a conference room) to communicate with other groups of people.

In today's fast paced global village, professionals in every industry are finding video Conferencing to be the most effective way to meet for business. Industry advances promise to provide a high-speed integrated link for voice, video, and data traffic. At VSNL, we pride ourselves on the state of the art video Conferencing equipment allowing us to provide the most advanced technologies for all video Conferencing needs.

VSNL video Conferencing systems operate under a variety of transport technologies, including ISDN, Leased and IP based video Conferencing systems that greatly decrease the costs of video Conferencing over traditional telecom infrastructures. Multipoint Video conference connectivity with 16 locations (National as well as International) simultaneously is also possible via VSNL. 

BENEFITS OF video Conferencing WITH VSNL
VSNL has state of the Art Studios, properly designed acoustically and with highest standard of facilities in comfortable surroundings. Important benefits include.

Speed Matching
VSNL connects meetings regardless of video equipment type. We have the ability to convert different algorithms and speed match to ensure all sites connect together and have successful conferences.

T.120 Data Collaboration
Share documents and PowerPoint presentations during your video conference events.

Add-Ons
Increase the number of participants by adding an audio link to your video conference events. There are some optional components that can be attached to a video Conferencing system like Document camera for graphics transmission.

»	Slide to video converter - for 35-mm slide input for making presentations.
»	Whiteboard cameras - to display bigger documents or class room boards.
»	VCR - a VHS VCR to playback video presentations and to record conferences for future references.
»	Electronic whiteboard - a directly attachable module for board room discussions.
»	Projector - to project the conference on a bigger screen.

Continuous Presence
Be "seen and heard"during multipoint video calls. Users have the flexibility to view all conference participants simultaneously on the same screen.

WHY video Conferencing ?

Time
Most Video Vonferences are two or fewer hours in duration. This means time spent getting to and from a meeting is often greater than the length of the meeting itself.

Reduced Cost
When compared to expenses associated with travel to short meetings, cost of a one-hour video conference can make the savings significant.

Greater Productivity
Video conferencing increases workplace productivity by alleviating the time and mental duress incurred through extensive travel. Reduce information turnaround time.

Increased participation
Increased participation means more meetings that are productive and less need for debriefing staff unable to attend.

More timely and frequent communications
Video conferencing allows meetings to take place with little advanced notice and has allowed for shorter, more frequent interaction.

Visual advantages
When compared to an audio-only conference the visual aspects of video conferencing make multiple participants less cumbersome to deal with. Participants also cite the ability to share graphics interactively as a key advantage over a teleconference.

Key Advantages Getting
Sown to business without getting there; with video Conferencing you will enjoy all the benefits of in person meetings with appropriate people and make more involved decisions.

Enhanced Decision Making
More Key people in different parts of the world can confer at short notice and more often and thus make more timely decisions.
VIDEO CONFERENCE SOLUTIONS FOR EVERY FUNCTION OF YOUR ORGANIZATION

Are you interested in finding out ways in which video conferencing can be used within your organization? Here are some of the ways you can use video conferencing to increase your communications effectiveness.

»	Launch new products and services to your sales force without taking them out of the field.
»	Highlight introductions and product releases to employees, shareholders, and clients.
»	Provide certification programs to geographically dispersed audiences.
»	Conduct focus group sessions to help bring products to market faster.
»	Create personalized sales presentations for your customers and reduce timely sales cycles.
»	Provide a simple but effective way to get more out of training sessions by giving your audience something for their eyes as well as their ears.
»	Great for Human Resources departments to get out information about policy and procedure changes. Ideal for new employee orientations and employment interviews.

WITHIN INDIA AND AROUND THE WORLD
Videsh Sanchar Nigam Limited has Public video Conferencing Studios at its Offices in Mumbai, New Delhi, Kolkata, Chennai, Bangalore, Hyderabad, Kanpur, Ernakulam, Jallandhar & Trivandrum.

There are more than 450 public Video Conference centres in cities throughout Europe, North America, the Far East and Pacific Rim. In addition, thousands of companies around the world now have their own in-house Video conference facilities. All of them are within reach of VSNL's Videoconference Centre.

video Conferencing CHOICES AT VSNL

VSNL offers the following options for video Conferencing :

	128 Kbps	384 Kbps	2048 Kbps
ISDN
LEASED

Point-to-Point Conference	Multi-Point Conference
Enables your location to participate in a conference with one more other location.	Enables your location to participate in a conference involving four or more locations in one videoconference with the use of a bridge.
Two-way interactive video.	Multi-point interactive video.
Two-way audio.	Multi-point audio bridging capability.
Simply dial-up distant site using the buttons on the keypad.	Simply dial into the Video Bridge Port via the buttons on the keypad.

Diagram A illustrates a dial-up point-to-point video conference. The video user who is initiating the conference (room A) dials the video phone number (s) of the far end site (room B) via the keypad.


Diagram A: Point-to-Point Videoconference
· The terms "Near End" or "Near End Site" refer to your site.
· The terms "Far End" or "Far End Site" refer to the site(s) you call.

Multi-Point Interactive video Conferencing
A multi-point video conference is a conference involving three or more sites. All participating sites are linked through a multi-point bridging device. For the most part, you conduct a multi-point videoconference just as you would a point-to-point videoconference except you must first dial in and connect to a "bridge". A bridge connects four or more telecommunications sites so that they can all communicate together. A voice-activated multi-point conference enables all the sites involved in the conference to see and hear whoever is speaking. A voice-activated mode automatically switches among all the sites involved in the conference depending upon who is speaking. As an example: If site A begins to talk, all the other sites in the conference will see and hear site A. If site B speaks, the bridge will switch and everyone will now see and hear site B. The site at which the voice level is the loudest is the site viewed by all the other participating sites. You may notice a slight delay in the video switching, since it takes the system a moment to recognize that someone has spoken at a different site. However, the audio will be heard instantaneously.



Diagram B: Multi-Point Videoconference

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