UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 SCHEDULE 13G/A

                    Under the Securities Exchange Act of 1934
                               (Amendment no. 3)*

                                 RADVision Ltd.
                                 --------------
                                (Name of Issuer)

                  Ordinary Shares, par value NIS 0.10 per share
                  ---------------------------------------------
                         (Title of Class of Securities)


                                   M8186910 5
                                   ----------
                                 (CUSIP Number)

                                December 31, 2006
                                -----------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[ ]  Rule 13d-1(b)

[ ]  Rule 13d-1(c)

[X]  Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).




                                   Page 1 of 5





  CUSIP No.  88906B105


1   Name of Reporting Person:  Yehuda Zisapel
      I.R.S. Identification No. of above person (entities only): N/A

2   Check the Appropriate Box if a Member of a Group (See Instructions): (a) [ ]
                                                                         (b) [X]
3   SEC Use Only

4   Citizenship or Place of Organization:    Israel

Number of        5     Sole Voting Power:         796,392 Ordinary shares
Shares
Beneficially     6     Shared Voting Power:       387,213 Ordinary Shares
Owned by
Each             7     Sole Dispositive Power:    796,392 Ordinary Shares
Reporting
Person With      8     Shared Dispositive Power:  387,213 Ordinary Shares


9   Aggregate Amount Beneficially Owned by Each Reporting Person:
                                                       1,183,605 Ordinary Shares

10  Check if the Aggregate Amount in Row (9) Excludes Certain Shares
    (See Instructions): [ ]

11  Percent of Class Represented by Amount in Row (9):   5.3%*

12  Type of Reporting Person (See Instructions):         IN



-----------------
*    Based on 22,142,667 Ordinary Shares that the Issuer advised were issued and
     outstanding as of December 31, 2006.


                              Page 2 of 5 Pages





Item 1.

(a)  Name of Issuer: RADVision Ltd.

(b)  Address  of  Issuer's  Principal  Executive  Offices:  24 Raoul  Wallenberg
     Street, Tel Aviv 69719, Israel

Item 2.

(a)  Name of Person Filing:  Yehuda Zisapel I.R.S.  Identification  No. of above
     person (entities only): N/A

(b)  Address of  Principal  Business  Office or, if none,  Residence:  124 Raoul
     Wallenberg Street, Tel Aviv 69719, Israel

(c)  Citizenship: Israel

(d)  Title of Class of Securities: Ordinary Shares, par value NIS 0.10 per share
     ("Ordinary Shares")

(e)  CUSIP Number: M81869 10 5

Item 3. Not applicable

Item 4. Ownership

(a)  Amount  beneficially  owned: As of December 31, 2006, the Reporting  Person
     beneficially  owned 1,183,605 Ordinary Shares, or 5.3%, of the total number
     of Ordinary Shares issued and  outstanding,  of which: (i) 796,392 Ordinary
     Shares  were  owned of record by the  Reporting  Person;  and (ii)  387,213
     Ordinary  Shares were owned of record by RAD Data  Communications  Ltd., an
     Israeli  company.  The Reporting  Person is a principal  shareholder  and a
     director of RAD Data  Communications  Ltd. The  Reporting  Person and Zohar
     Zisapel have shared voting and dispositive power with respect to the shares
     held by RAD Data Communications Ltd.

(b)  Percent of class: 5.3%*

(c)  Number of shares as to which such person has:

     (i)  Sole power to vote or to direct the vote: 796,392 Ordinary Shares

          (ii) Shared  power to vote or to  direct  the vote:  387,213  Ordinary
               Shares

          (iii) Sole power to dispose or to direct the  disposition  of: 796,392
               Ordinary Shares

          (iv) Shared power to dispose or to direct the  disposition of: 387,213
               Ordinary Shares

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

*    Based on 22,142,667 Ordinary Shares that the Issuer advised were issued and
     outstanding as of December 31, 2006.


                                Page 3 of 5 Pages





Item 5. Ownership of Five Percent or Less of a Class

          If this  statement  is being  filed to report  the fact that as of the
          date hereof the reporting person has ceased to be the beneficial owner
          of more  than  five  percent  of the  class of  securities,  check the
          following [ ]

Item 6. Ownership of More than Five Percent on Behalf of Another Person

          Not applicable.

Item 7.  Identification  and Classification of the Subsidiary Which Acquired the
         Security Being Reported on By the Parent Holding Company

          Not applicable.

Item 8. Identification and Classification of Members of the Group

          Not applicable.

Item 9. Notice of Dissolution of Group

          Not applicable.

Item 10. Certification

          Not applicable.





                                Page 4 of 5 Pages





                                    SIGNATURE

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  February 14, 2007

                                            /s/Yehuda Zisapel
                                            -----------------
                                            Yehuda Zisapel










































                                Page 5 of 5 Pages