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:  Zohar 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            2,202,837 Ordinary Shares*
Shares
Beneficially   6    Shared Voting Power:           387,213 Ordinary Shares
Owned by
Each           7    Sole Dispositive Power:      2,202,837 Ordinary Shares*
Reporting
Person With    8    Shared Dispositive Power:      387,213 Ordinary Shares

9   Aggregate Amount Beneficially Owned by Each Reporting Person:
                                                       2,590,050 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):   11.7%**

12  Type of Reporting Person (See Instructions):         IN

-----------------
*    Includes  75,000  Ordinary  Shares  issuable upon the exercise of currently
     exercisable options granted to the Reporting Person.
**   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: Zohar Zisapel

     (b)  Address of Principal Business Office or, if none, Residence:  24 Raoul
          Wallenberg Street, Tel Aviv 69719

     (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 2,590,  050 Ordinary  Shares,  or 11.7%, of the
     total  number of Ordinary  Shares  issued and  outstanding,  of which:  (i)
     1,510,525  Ordinary  Shares were owned of record by the  Reporting  Person;
     (ii) 75,000  Ordinary  Shares were  issuable upon the exercise of currently
     exercisable options granted to the Reporting Person; (iii) 306,456 Ordinary
     Shares were owned of record by Lomsha Ltd., an Israeli  company  controlled
     by the Reporting Person;  (iv) 310,856 Ordinary Shares were owned of record
     by Michael and Klil Holdings (93) Ltd.,  an Israeli  company  controlled by
     the Reporting Person;  and (v) 387,213 Ordinary Shares were owned of record
     by RAD Data Communications  Ltd., an Israeli company.  The Reporting Person
     is a principal  shareholder  and  Chairman of the Board of Directors of RAD
     Data  Communications  Ltd.  The  Reporting  Person and Yehuda  Zisapel have
     shared voting and dispositive  power with respect to the shares held by RAD
     Data Communications Ltd.

     (b)  Percent of class: 11.7%**

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

          (i)  Sole  power to vote or to  direct  the vote:  2,202,837  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: 2,202,837
               Ordinary Shares*

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


-----------------
*    Includes  75,000  Ordinary  Shares  issuable upon the exercise of currently
     exercisable options granted to the Reporting Person.
**   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/Zohar Zisapel
                                           ----------------
                                           Zohar Zisapel















                                Page 5 of 5 Pages