Exhibit 23.6

              CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated October 6, 2000 relating to the financial statements of
Williams Conferencing, a carve-out entity of The Williams Companies, included in
the Proxy Statement of Genesys S.A. that is made a part of the Registration
Statement (Form F-4) and Prospectus of Genesys S.A. for the registration of its
ordinary shares.

                             /s/ Ernst & Young LLP

Denver, CO
February 12, 2001