d i g i t a l v i s u a l c o m m u n i c a t i o n s agenda vtel company infos videoconferencing...

D I G I T A L V I S U A L C O M M U N I C A T I O N S

Agenda

VTEL Company Infos

Videoconferencing Basics

Applications

Live Demo


VTEL Corporation25,000 installed

systems

Customers in

61 countries

26 VTEL offices

740 employees

$ 160 Million Sales


Full Line of Packaged Systems

Personal Workgroup Enterprise

Simple User Interfaces

Network Management

Interoperability

Settop


User Interfaces

There is no „The interface for everybody“ !!!!There is no „The interface for everybody“ !!!!


Position of VC in the DE segmentFeedback Interactivity

InteractiveConferencing

Audio + Video +Data

+++++

Videoconfer-encing

Audio + Video ++++

1-way Video +Aud. Streaming

ChatE-Mail

+++

1-way Video +Audio

Letter ++

Correspond.Studies

Letter +


What do you need to do it ?

• Videoconferencing systems• Peripherals• Reliable transport medium


Videoconferencing System

• Easy to use

• Reliable

• High Quality

• 3 Media: Audio, Video and Data

• Dual Monitor

• PC based

• LAN, WEB Access


Peripherals

• Maincamera(s)

• Document Camera

• Electronic Whiteboard

• Everything you use Everything you use during normal lessonsduring normal lessons


Transport medium

• ISDN (90%)(connection oriented, reliablereliable)

• IP/LAN/WAN Internet (6%)(packet oriented, (no) bandwidth guarantied !!!

• ATM Links (3%)(ideal but expensive)


Bandwidth requirement

• ISDN (min. for prof. quality)• 384 kBit/s (6B channels)

• 30 fps, 7 kHz Audio

• LAN / IP• 1 Mbit/s Bandwidth guarantied

• 30 fps, 7 kHz Audio


Distance Education

• Collaboration– Linking

classrooms


Internet Institutional

LAN CD-ROM Universities Student teams Business Outside experts

Distance Learning in TransitionBring the World Into the classroom


Access–Advanced

placement –Dual enrollment–Diverse learning

groups• Cross-cultural • Urban-suburban-rural• Intrastate-international

–Special populations


Internet Organizational

LAN Universities Working teams Business Outside experts Satellite System Audio graphics

Education and Training of today- New Model

• Bring the World Into the Classroom


VC and Streaming Video

• Important is the combinationImportant is the combination– Linking some classrooms with

traditional VC

– Enable other (unlimited) to be also in the same lesson as listener from home office or any other location

– Enable the students to review any lesson at a later time.


VC and Streaming Video Appl.


Streaming Video User View


Live Demo from Austin Texas

AustinTexas

BernSwitzerland

8677 km

ISDN Link 8 B Channels512 kBit/s


Backup Slides

Slides to us if the connection to Austin does not work


TVStation Architecture

Capture & Encoding

NLT ConferenceCamera

RECOS

Reflector

Reflector

VPN

ISP

Web-Site Reflector

View From RECOS orNLT Web-Site URL

View From RECOS orNLT Web-Site URL


Small Classroom Model

Teacher

Touch-to-Talk Microphones


Classroom Example

Motion Receive


Training Auditorium


Different Types of Meeting Information

Bef

ore

D

uri

ng

Hard Copy Electronic

Paper/Slides

SmartViewSmartView Automatic import of Automatic import of Powerpoint slides Powerpoint slides into PenPalinto PenPal

Meeting Notes

Local print Local print capabilitycapability

Collaboration

Application sharing,Application sharing,Internet/Intranet,Internet/Intranet,SmartBoardSmartBoard

Info on Network


Add Video Network ManagementH.320H.320MCUMCU

H.3

20 B

ased

Sys

tem

sH

.320

Bas

ed S

yste

ms

SNMPSNMPMGMTMGMT Use IP Use IP

network to network to manage manage and and administer administer the video the video networknetwork


IPIPData Network (LAN)Data Network (LAN)

SmartVideoNet Manager

Worldwide videoconferencing — Worldwide videoconferencing — managed remotelymanaged remotely

NetworkManagementConsole


VTEL’s Leadership Capability TodayH.320H.320MCUMCU

H.3

20 B

ased

Sys

tem

sH

.320

Bas

ed S

yste

ms

ISDNT1/E1

Internet

FILEFILESERVERSSERVERS

PRINTERSPRINTERS

SNMPSNMPMGMTMGMT


Evolution from Switched to IP Systems

Trinitron

Canon

Address Book

BobMary

VTEL’s Dual Mode SystemsVTEL’s Dual Mode SystemsAutomatic Routing to correct networkAutomatic Routing to correct network

Address Book

Bob 191.277.391.152 IPIP H.323H.323

Mary 512-438-1046 ISDNISDN H.320H.320


Evolution from Switched to IP Networks

• IP network wiring already IP network wiring already installed in buildinginstalled in building

• Plug video systems into any Plug video systems into any LAN outlet--no other setupLAN outlet--no other setup

• System has IP address so System has IP address so calls find the systemcalls find the system

IP Starts on Campus (Local)


Evolution from Switched to IP NetworksH.323/H.320 Hybrid Network

GatewayGateway

GatekeeperGatekeeperH.3

23 B

ased

Sys

tem

sH

.323

Bas

ed S

yste

ms

H.323H.323MCUMCU SNMPSNMP

ManagementManagement

ISDNT1/E1

H.320H.320


Video Enabled LANs on CampusSwitched Circuits for WAN

IP NetworkIP Network



SwitchedSwitchedNetworkNetwork


End of Phase II -- IP end to end(H.323 LAN/WAN Conferencing)

RouterRouterH

.323

Bas

ed S

yste

ms

H.3

23 B

ased

Sys

tem

s H.323H.323MCUMCU

RouterRouter

H.323H.323

Quality of ServiceProtocols Implemented on All Routers in WAN


Phase II--Typical Video Communications NetworkPhase II--Typical Video Communications Network

Application ServerApplication Server

GatewayGateway

RouterRouter

GatekeeperGatekeeper

PrinterPrinter

H.3

23 B

ased

Sys

tem

sH

.323

Bas

ed S

yste

ms

H.323H.323MCUMCU

SNMPSNMPManagementManagement

ISDNT1/E1

Internet

RouterRouter

H.320H.320

H.323H.323

H.323H.323

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