EXHIBIT 5.0

               [LETTERHEAD OF BROBECK, PHLEGER & HARRISON LLP]

                               August 12, 1997

Genesys Telecommunications Laboratories, Inc.
1155 Market Street
San Francisco, CA 94103

        Re:  Registration Statement for Offering of
             an Aggregate of 10,997,207 Shares of Common Stock
             -------------------------------------------------

Ladies and Gentlemen:

        We refer to your Registration Statement on Form S-8 (the "Registration
Statement") under the Securities Act of 1933, as amended, of (i) 9,845,207 
shares of the Common Stock of Genesys Telecommunications Laboratories, Inc. 
(the "Company") under the Company's 1997 Stock Incentive Plan, (ii) 500,000 
shares of Common Stock under the Company's Employee Stock Purchase Plan, (iii)
500,000 shares of Common Stock under the Company's International Employee 
Stock Purchase Plan, and (iv) an aggregate of 152,000 shares of Common Stock 
to be issued pursuant to Written Compensation Agreements between the Company 
and each of Messrs. Levy, Dunlevie, Jordan, Shenkman and Miloslavsky. We 
advise you that, in our opinion, when such shares have been issued and sold 
pursuant to the applicable provisions of the 1997 Stock Incentive Plan, 
Employee Stock Purchase Plan, International Employee Stock Purchase Plan and 
the options granted to Messrs. Levy, Dunlevie, Jordan, Shenkman and 
Miloslavsky and in accordance with the Registration Statement, such shares 
will be duly authorized, validly issued, fully paid and non-assessable shares 
of the Company's Common Stock.

        We hereby consent to the filing of this opinion as an exhibit to the 
Registration Statement.

                                        Very truly yours,

                                        BROBECK, PHLEGER & HARRISON LLP