SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                             ----------------------

                                   F O R M 6-K

       REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
                   UNDER THE SECURITIES EXCHANGE ACT OF 1934

                         For the month of February 2007

                                 RADVISION LTD.
                              (Name of Registrant)


               24 Raoul Wallenberg Street, Tel Aviv 69719, Israel
                     (Address of Principal Executive Office)

                  Indicate by check mark whether the registrant files or will
file annual reports under cover of Form 20-F or Form 40-F.

                           Form 20-F [X]    Form 40-F [ ]

                  Indicate by check mark if the registrant is submitting the
Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): [ ]

                  Indicate by check mark if the registrant is submitting the
Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): [ ]

                  Indicate by check mark whether by furnishing the information
contained in this Form, the registrant is also thereby furnishing the
information to the Commission pursuant to Rule 12g3-2(b) under the Securities
Exchange Act of 1934.

                                 Yes [ ] No [X]

                  If "Yes" is marked, indicate below the file number assigned to
the registrant in connection with Rule 12g3-2(b): 82-___________

This Form 6-K is being incorporated by reference into the Registrant's Form S-8
Registration Statements File Nos. 333-45422, 333-53814, 333-55130, 333-66250,
333-82488, 333-104377, 333-116964 and 333-127013.





                                 RADVision Ltd.

6-K Items


     1.   Press  release  re   RADVISION(R)   and  Nortel  Team  to  Demonstrate
          Interactive  Mobile Video  Services on WiMAX at 3GSM World  Conference
          2007 dated February 8 , 2007.

     2.   Press release re RADVISION(R)  Exhibits  Innovative  Developer  Tools,
          Platforms  and  Applications  for  Interactive  Video   Communications
          Applicable for Current and Next  Generation IMS Networks at 3GSM World
          Congress 2007 dated February 12 , 2007.

     3.   Press release re RADVISION(R)  ProLab(TM) Testing Suite Deployed by SK
          Telecom for IOT Testing dated February 12, 2007.

     4.   Press  release  re  RADVISION(R)  Announces  Availability  of the  IMS
          DIAMETER Protocol Toolkit dated February 13, 2007.








                                                                          ITEM 1







Press Release                                                  Source: RADVISION

RADVISION(R) and Nortel Team to Demonstrate Interactive Mobile Video Services on
WiMAX at 3GSM World Conference 2007

Thursday February 8, 8:15 am ET

RADVISION's SCOPIA(TM) Interactive Video Platform and Nortel's WiMAX Solution
Power Innovative Live Video Applications

FAIR LAWN, N.J.--(BUSINESS WIRE)--RADVISION (Nasdaq: RVSN - News), a leading
provider of video network infrastructure and developer tools for unified visual
communications over IP, 3G, and emerging next-generation IMS networks, today
announced that interactive video applications based on RADVISION's SCOPIA
Interactive Video Platform are being demonstrated along with Nortel's WiMAX
Solution at the 3GSM World Conference 2007 in Barcelona.

The SCOPIA Interactive Video Platform, targeted for the operator and service
provider, makes possible new and exciting wireless multimedia communication
services, which combine different sources of video from wireless 3G Devices,
WiMAX devices, PCs, surveillance cameras and streaming content network sources,
such as pre-recorded and live broadcasts. The multiple video streams are
presented in a single screen with dynamic text overlay, with easy navigation and
control via the wireless device. Advanced media processing capabilities ensure
enhanced video feature functionality, such as text overlay and picture in
picture, as well as assuring service access from any wireline and wireless video
enabled terminal.

"Nortel brings expertise and innovative solutions across all access
technologies, and adds real value to RADVISION's offering in this space," said
Dr. Amnon Gavish, RADVISION VP of Mobility and Service Provider Business
Development. "The successful demonstration of RADVISION's SCOPIA Interactive
Video Platform with the WiMAX platform shows that together we can deliver
value-added video services across multiple accesses. Applications that are
offered on RADVISION's Interactive Platform today include mobile
videoconferencing, mobile communities and video chat, video-enabled contact
centers, interactive video portals and ringback clip. Our commitment to open
standards, including WiMAX and MMD/IMS, promises a smooth and highly
interoperable migration for operators deploying our IMS-ready products."

Nortel is providing the WiMAX network infrastructure along with a comprehensive
WiMAX device ecosystem that simplifies and standardizes the way advanced
services, including multimedia, are delivered to subscribers across the network.

The services to be shown at 3GSM World Congress demonstrate the SCOPIA
Interactive Video Platform's successful utilization of the high bandwidth
provided on Nortel's WiMAX platform, to deliver exciting new interactive video
applications. Similar capabilities have also been demonstrated over Nortel's 3G
CDMA 1xEV-DO Revision A solution.

About RADVISION

RADVISION (NASDAQ: RVSN - News) is the industry's leading provider of
market-proven products and technologies for unified visual communications over
IP and 3G networks. With its complete set of standards-based video networking
infrastructure and developer toolkits for voice, video, data and wireless
communications, RADVISION is driving the unified communications evolution by
combining the power of video, voice, data and wireless - for high definition
video conferencing systems, innovative converged mobile services, and highly
scalable video-enabled desktop platforms on IP, 3G and emerging next-generation
IMS networks. For more information about RADVISION, visit www.radvision.com.






This press release contains forward-looking statements that are subject to risks
and uncertainties. Factors that could cause actual results to differ materially
from these forward-looking statements include, but are not limited to, general
business conditions in the industry, changes in demand for products, the timing
and amount or cancellation of orders and other risks detailed from time to time
in RADVISION's filings with the Securities Exchange Commission, including
RADVISION's Form 20-F Annual Report. These documents contain and identify other
important factors that could cause actual results to differ materially from
those contained in our projections or forward-looking statements. Stockholders
and other readers are cautioned not to place undue reliance on these
forward-looking statements, which speak only as of the date on which they are
made. We undertake no obligation to update publicly or revise any
forward-looking statement.


Contact:
Corporate:
RADVISION
Tsipi Kagan
Chief Financial Officer
201-689-6340
cfo@radvision.com
or
Media:
Dukas Public Relations
Kristin Conforti
516-320-6839
kristin@dukaspr.com
or
Investor:
Comm-Partners LLC
June Filingeri
203-972-0186
junefil@optonline.net






                                                                          ITEM 2






Press Release                                                  Source: RADVISION

RADVISION(R) Exhibits Innovative Developer Tools, Platforms and Applications
for Interactive Video Communications Applicable for

Current and Next Generation IMS Networks at 3GSM World Congress 2007

Monday February 12, 7:00 am ET

Utilizing the industry's most advanced technologies, the company introduces
solutions that are ushering in a new age of interactive video for the 3G mobile
and converged network arenas

BARCELONA, Spain--(BUSINESS WIRE)--RADVISION (Nasdaq: RVSN - News), a leading
provider of video network infrastructure and developer tools for unified visual
communications over IP, 3G, and emerging next-generation IMS networks, will be
demonstrating its latest range of IMS developer and testing solutions, IMS-ready
video platforms and a variety of available interactive video applications for
UMTS, CDMA EV-DO, Cable, converged and other IP networks at 3GSM World Congress
2007, Stand 1D01, Hall 1. These solutions and services leverage the power of
fixed mobile convergence to get 3G products and devices to market faster and
help 3G operators and service providers drive traffic and increase revenues.

IMS Developer Solutions

RADVISION will be showcasing its IMS Express(TM), the complete IMS (IP
Multimedia Subsystem) Developer Suite, which meets the needs of IMS client and
server developers for the emerging IMS market. RADVISION's IMS Developer Suite
includes IMS Protocol Toolkits, IMS Application Server Framework, a Client
Framework and testing tools that provide all the necessary signaling and media
infrastructure to easily and cost-effectively meet the IMS challenge. RADVISION
will be showcasing its ProLab(TM) IMS Test Solution, SIP Server Platform, IMS
SIP Developer Suite, DIAMETER and complementary Toolkits and platforms.

3G Interactive Video Platforms and Services

RADVISION is demonstrating a wide array of interactive visual communication
applications enabling carriers and ASPs to offer a variety of enhanced video
services to their customers no matter where they are - at home, at work or on
the move.

Based on the company's robust, carrier-grade SCOPIA(TM) Interactive Video
Platform and SCOPIA 3G Video Gateway, a broad range of 3G services will be
demoed at the Congress include Mobile Video Conferencing, m-Learning, Video
Ringback Clip(TM), PC-to-Mobile(TM), 3G Tubing(TM), Mobile Video Communities,
and more.

This year RADVISION demonstrations will include several exciting partner
applications that utilize RADVISION's Interactive Video Platform:

     o    Numintel,  a leading  Spanish  provider of voice IVR solutions will be
          demonstrating  their new products in 3G  technology.  These  include a
          video-enabled  contact center, a mobile  surveillance  application and
          dynamic,  personalized  applications with database interactivity.  All
          these  services  utilize  the  SCOPIA   Interactive  Video  Platform's
          flexible API for interactive video application development.

     o    Cestel,   the  leading   Spanish   provider   of   telecommunications,
          ITsolutions and 3G RAD (Rapid Application Development) platforms, will
          be demonstrating Cestel's iGATE solution to video enable legacy 2G IVR
          applications and 3GWeb SCE - service  creation  environment to deliver
          dynamic multimedia web content to 3G video handsets in real time.

     o    TEAM COTE D'AZUR,  located in the  Conference's  French  Pavilion will
          allow visitors to remotely control a robot located in Nice.  RADVISION
          will allow  visitors to remotely  control an  innovative  surveillance
          robot with a 3G phone.  The mobile  user will see what the robot sees,
          and control, via DTMF, camera panning and robot movement.





     o    RADVISION  and  BroadSoft,  a  leading  provider  of VoIP  application
          software, will demonstrate  interoperability that combines BroadSoft's
          BroadWorks(R)  VoIP  application   platform  with  RADVISION's  SCOPIA
          Interactive  Video  Platform to provide  video-enabled  VoIP  services
          converged over 3G mobile and landline video phones.

RADVISION's technology, applications and solutions demonstrate the power of
interactive video services in current and converged next generation networks.

About RADVISION

RADVISION (NASDAQ: RVSN - News) is the industry's leading provider of
market-proven products and technologies for unified visual communications over
IP and 3G networks. With its complete set of standards-based video networking
infrastructure and developer toolkits for voice, video, data and wireless
communications, RADVISION is driving the unified communications evolution by
combining the power of video, voice, data and wireless - for high definition
video conferencing systems, innovative converged mobile services, and highly
scalable video-enabled desktop platforms on IP, 3G and emerging next-generation
IMS networks. For more information about RADVISION, visit www.radvision.com.

This press release contains forward-looking statements that are subject to risks
and uncertainties. Factors that could cause actual results to differ materially
from these forward-looking statements include, but are not limited to, general
business conditions in the industry, changes in demand for products, the timing
and amount or cancellation of orders and other risks detailed from time to time
in RADVISION's filings with the Securities Exchange Commission, including
RADVISION's Form 20-F Annual Report. These documents contain and identify other
important factors that could cause actual results to differ materially from
those contained in our projections or forward-looking statements. Stockholders
and other readers are cautioned not to place undue reliance on these
forward-looking statements, which speak only as of the date on which they are
made. We undertake no obligation to update publicly or revise any
forward-looking statement.

Contact:
RADVISION:
Tsipi Kagan, +1 201-689-6340
Chief Financial Officer
cfo@radvision.com
or
Media Relations:
Dukas Public Relations
Kristin Conforti, +1 516-320-6839
kristin@dukaspr.com
or
Investor Relations:
Comm-Partners LLC
June Filingeri, +1 203-972-0186
junefil@optonline.net








                                                                          ITEM 3







Press Release                                                  Source: RADVISION

RADVISION(R) ProLab(TM) Testing Suite Deployed by SK Telecom for IOT Testing

Monday February 12, 7:00 am ET

ProLab 3G-324M Video Test Platform Is Designed to Speed Up and Simplify IOT
Based on GCF, IMTC and Media Quality Standards and Measurements

TEL AVIV, Israel--(BUSINESS WIRE)--RADVISION (Nasdaq: RVSN - News), a leading
provider of video network infrastructure and developer tools for unified visual
communications over IP, 3G, and emerging next-generation networks, today
announced that its ProLab Testing Suite was selected for GCF IOT by SK Telecom,
a pioneer in clearing the way to a next generation network arena that includes
the development of 4th and 5th generation mobile communication technology.

"Most companies today face numerous challenges when carrying out IOT
(Interoperability Testing) on 3G handsets, especially when they need to address
video telephony," said Elie Cohen, Product Manager for the ProLab family of
testing solutions for RADVISION's Technology Business Unit. "GCF and IMTC test
cases contain important new features that complement the broad range of testing
capabilities found in the ProLab Testing Suite. This complete solution conducts
a wide range of tests, including call generation, monitoring, media quality and
video quality."

The 3G video market has grown steadily over the last several years. RADVISION's
audio and video quality measurement tools are based on industry standards,
utilizing different metrics to achieve unprecedented video quality. A unique
degraded video synchronization algorithm results in consistent and accurate
results. In addition, the ProLab Testing Suite includes all the latest GCF test
cases and constantly updates them as needed. This enables service providers and
handset manufacturers to minimize testing cycles, deliver maximum audio and
video quality and get products and services to market faster.

The GCF and PTCRB are certification organizations consisting of network
operators, terminal manufacturers and accredited test laboratories. The GCF and
PTCRB operate independent programs to ensure global conformance of 2G and 3G
wireless terminals.

RADVISION's ProLab 3G-324M Test Solution enables 3G testing and plays a critical
and vital role in the product development cycle. With hundreds of built-in
plug-and-play scripts, test case media files, full 3G-324M simulation testing,
and online analysis, ProLab 3G-324M provides a complete testing platform for
exhaustive, pre-deployment testing. ProLab 3G-324M is fully compliant with
latest industry standards.

RADVISION's ProLab 3G-324M Test Solution is part of RADVISION's ProLab Testing
Suite, providing 3G-324M, SIP and IMS, "We believe the IOT Testing and video
quality of our product will help boost 3G usage, by providing a high quality of
service for the service provider on certified products," added Mr. Cohen. "Video
telephony is an important service for early adopters in the multimedia field.
RADVISION is committed to being a leader in the industry in terms of quality and
value and is completely dedicated to delivering products that meet contract
specifications and customer requirements."

For more information, see:
http://www.radvision.com/Products/TestingTools/ProLab/


About RADVISION

RADVISION (NASDAQ: RVSN - News) is the industry's leading provider of
market-proven products and technologies for unified visual communications over
IP and 3G networks. With its complete set of standards-based video networking
infrastructure and developer toolkits for voice, video, data and wireless
communications, RADVISION is driving the unified communications evolution by
combining the power of video, voice, data and wireless - for high definition
video conferencing systems, innovative converged mobile services, and highly
scalable video-enabled desktop platforms on IP, 3G and emerging next-generation
IMS networks. For more information about RADVISION, visit www.radvision.com.





This press release contains forward-looking statements that are subject to risks
and uncertainties. Factors that could cause actual results to differ materially
from these forward-looking statements include, but are not limited to, general
business conditions in the industry, changes in demand for products, the timing
and amount or cancellation of orders and other risks detailed from time to time
in RADVISION's filings with the Securities Exchange Commission, including
RADVISION's Form 20-F Annual Report. These documents contain and identify other
important factors that could cause actual results to differ materially from
those contained in our projections or forward-looking statements. Stockholders
and other readers are cautioned not to place undue reliance on these
forward-looking statements, which speak only as of the date on which they are
made. We undertake no obligation to update publicly or revise any
forward-looking statement.

Contact:
RADVISION
Corporate:
Tsipi Kagan, +1 201-689-6340
Chief Financial Officer
cfo@radvision.com
or
Media Relations:
Dukas Public Relations
Kristin Conforti, +1 516-320-6839
kristin@dukaspr.com
or
Investor Relations:
Comm-Partners LLC
June Filingeri, +1 203-972-0186
junefil@optonline.net






                                                                          ITEM 4







Press Release                                                  Source: RADVISION

RADVISION(R) Announces Availability of the IMS DIAMETER Protocol Toolkit

Tuesday February 13, 7:00 am ET

The IMS DIAMETER Toolkit Joins the IMS Express(TM) - RADVISION's IMS Developer
Suite - The Most Comprehensive Solution for Developers of Next Generation IMS
Network Elements

TEL AVIV, Israel--(BUSINESS WIRE)--RADVISION (Nasdaq: RVSN -News), a leading
provider of video network infrastructure and developer tools for unified visual
communications over IP, 3G, and emerging next-generation IMS networks, today
announced availability of the IP Multimedia Subsystem (IMS) DIAMETER Toolkit.

The RADVISION IMS DIAMETER Toolkit is a powerful software tool for the
development of IMS DIAMETER-compliant network elements. The IMS DIAMETER Toolkit
is standards-based (3GPP and TISPAN) and allows seamless integration with IMS
based IP networks.

The RADVISION IMS DIAMETER Toolkit is part of RADVISION's IMS Developer Suite.
The Suite includes all the signaling and media protocol toolkits, development
frameworks, and testing tools needed to easily and cost-effectively meet the IMS
challenge. The DIAMETER Toolkit works seamlessly with all RADVISION signaling
protocol tools and enables the development of all IMS network entities. These
include I-CSCF, S-CSCF, Application Servers, HSSs, Offline and Online charging
functions.

"With the release of the IMS DIAMETER Toolkit, RADVISION offers the most
complete suite of IMS-compliant development tools available in the market," said
Adi Paz, Senior Director of Product Management and Marketing for RADVISION's
Technology Business Unit. "With this release, we further strengthen our position
as the industry leader in the emerging IMS market. As IMS is the basis of a
truly converged network environment that encompasses 3G, wireline, packet cable
and WiMAX, the market is eager to receive new IMS tools and solutions that help
deliver products to market - fast and reliably."

The IMS DIAMETER Toolkit is available for all common operating systems. It is
coded in ANSI C and cross-platform compatible. The open, object-oriented
architecture delivers a programmer-friendly and highly flexible platform, and
provides multiple API layers.

In addition to the IMS DIAMETER Toolkit, the RADVISION IMS Development Suite
includes the IMS SIP Toolkit, the IMS SIP Server, MEGACO and RTP Toolkits, the
IMS Client Developer Suite and the ProLab(TM) IMS Testing & Analysis Suite.

For further information on IMS, RADVISION has published a detailed white paper
that can be downloaded from the company's Website at:
http://www.radvision.com/Resources/WhitePapers/ims_sip.htm

About RADVISION

RADVISION (NASDAQ: RVSN - News) is the industry's leading provider of
market-proven products and technologies for unified visual communications over
IP and 3G networks. With its complete set of standards-based video networking
infrastructure and developer toolkits for voice, video, data and wireless
communications, RADVISION is driving the unified communications evolution by
combining the power of video, voice, data and wireless - for high definition
video conferencing systems, innovative converged mobile services, and highly
scalable video-enabled desktop platforms on IP, 3G and emerging next-generation
IMS networks. For more information about RADVISION, visit www.radvision.com.





This press release contains forward-looking statements that are subject to risks
and uncertainties. Factors that could cause actual results to differ materially
from these forward looking statements include, but are not limited to, general
business conditions in the industry, changes in demand for products, the timing
and amount or cancellation of orders and other risks detailed from time to time
in RADVISION's filings with the Securities Exchange Commission, including
RADVISION's Form 20-F Annual Report. These documents contain and identify other
important factors that could cause actual results to differ materially from
those contained in our projections or forward-looking statements. Stockholders
and other readers are cautioned not to place undue reliance on these
forward-looking statements, which speak only as of the date on which they are
made. We undertake no obligation to update publicly or revise any forward
looking statement.

Contact:
Corporate:
RADVISION Tsipi Kagan, +1 201-689-6340
Chief Financial Officer
cfo@radvision.com
or
Media Relations:
Dukas Public Relations
Kristin Conforti, +1 516-320-6839
kristin@dukaspr.com
or
Investor Relations:
Comm-Partners LLC
June Filingeri, +1 203-972-0186
junefil@optonline.net












                                   SIGNATURES


         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                 RADVISION LTD.
                                     (Registrant)



                                 By /s/Arnold Taragin
                                    -----------------
                                    Arnold Taragin
                                    Corporate Vice President and General Counsel



Date:  February 28, 2007