Exhibit 10.2

                           Wire One Technologies, Inc.
                                 225 Long Avenue
                           Hillside, New Jersey 07205

                                                                   July 30, 2002
Mr. Richard Reiss
10 Timber Acres Road
Springfield, New Jersey 07081

Dear Rich:

      This letter, when accepted by you, shall constitute an amendment to the
employment agreement, as previously amended (the "Agreement"), dated January 2,
2001, between Wire One Technologies, Inc. (the "Company") and you. The Company
and you hereby agree as follows:

      1. The Company has requested that, to contribute to an improvement in the
Company's financial condition and for no other reason, you agree, as an
amendment to paragraph 2(a) of the Agreement, to reduce your base salary
compensation thereunder so as to be payable at the rate of (a) $369,000 per
annum during the period commencing on August 5, 2002, through December 31, 2002,
and (b) $432,000 per annum during the period commencing on January 1, 2003,
through December 31, 2003. In consideration of the agreement by several other of
the Company's executives to salary reductions similar in nature, you hereby
agree to the salary reduction set forth in the preceding sentence.

      2. Except as modified hereby, the Agreement remains in full force and
effect.

                                        Yours very truly,

                                        WIRE ONE TECHNOLOGIES, INC.

                                        By: /s/ Jonathan Birkhahn
                                            ----------------------------
                                            Jonathan Birkhahn

ACCEPTED:

/s/ Richard Reiss
---------------------------
Richard Reiss