UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

~~Form~~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

~~PURSUANT~~For TOthe ~~RULE~~month ~~13A-16~~of ORMay ~~15D-16~~2012

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of April 2012 (Report No. 2)

Commission File Number: 0-29871

RADVISION LTD.

(~~Translation~~Name of ~~registrant’s name into English~~Registrant)

24 Raoul Wallenberg Street, Tel Aviv 69719, Israel

(Address of ~~principal~~Principal ~~executive~~Executive ~~offices~~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 T Form 40-F o *

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): ~~N/A~~*

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): ~~N/A~~*

~~THE~~Indicate ~~INFORMATION~~by ~~SET~~check ~~FORTH~~mark INwhether ~~THIS~~by ~~REPORT~~furnishing ONthe ~~FORM~~information ~~6-K~~contained ISin ~~HEREBY~~this ~~INCORPORATED~~Form, BYthe ~~REFERENCE~~registrant ~~INTO~~is ~~THE~~also ~~REGISTRANT'S~~thereby ~~REGISTRATION~~furnishing ~~STATEMENTS~~the ONinformation ~~FORM~~to ~~S-8~~the ~~(REGISTRATION~~Commission ~~STATEMENT~~pursuant ~~NOS.~~to ~~333-127013,~~Rule ~~333~~12g3-~~141654, 333-155442, 333-155444, 333-164091 AND 333-179425~~2(b), ~~AND~~under ~~SHALL~~the BESecurities AExchange ~~PART~~Act ~~THEREOF~~of ~~FROM THE DATE ON WHICH THIS REPORT IS FILED, TO THE EXTENT NOT SUPERSEDED BY DOCUMENTS OR REPORTS SUBSEQUENTLY FILED OR FURNISHED~~1934.

~~CONTENTS~~Yes * No T

~~This~~If ~~report~~"Yes" onis ~~Form~~marked, ~~6-K~~indicate ofbelow ~~RADVISION Ltd. consists of~~ the ~~following~~file ~~document,~~number ~~which~~assigned isto ~~hereby~~the ~~attached~~registrant ~~hereto~~in ~~and~~connection ~~incorporated~~with byRule ~~reference herein~~12g3-2(b): 82-

~~Exhibit~~This ~~99.1~~Form ~~Press~~6-K ~~release:~~is ~~RADVISION~~being ~~Ltd.~~incorporated ~~Announces~~by ~~Shareholder~~reference ~~Approval~~into ofthe ~~Acquisition~~Registrant’s ofForm ~~RADVISION~~S-8 byRegistration ~~Avaya~~Statements File Nos. 333-127013, ~~dated~~333-141654, ~~April~~333-155442, 30333-155444, 333-164091 ~~2012~~and 333-179425.

~~SIGNATURES~~RADVision Ltd.

EXPLANATORY NOTE

The following exhibit is attached:

99.1	Press Release re Radvision Reports Better Than Expected First Quarter 2012 Results dated May 14, 2012

SIGNATURE

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.
Date: April 30, 2012	By:	/s/ Rael Kolevsohn
		Name: Rael Kolevsohn
		Title: Corporate Vice President and General Counsel

	RADVISION LTD.
	(Registrant)


	By: /s/Rael Kolevsohn
	Rael Kolevsohn
	Corporate Vice President and General Counsel

Date: May 16, 2012

EXHIBIT INDEX

Exhibit Number	Description of Exhibit
EXHIBIT NO.	DESCRIPTION
99.1	Press ~~release:~~Release ~~RADVISION~~re ~~Ltd.~~Radvision ~~Announces~~Reports ~~Shareholder~~Better ~~Approval~~Than ofExpected ~~Acquisition~~First ofQuarter ~~RADVISION~~2012 byResults ~~Avaya,~~ dated ~~April~~May 3014, 2012.

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