EXHIBIT 23.1 Consent of Independent Public Accountants As independent public accountants, we hereby consent to the incorporation by reference in this Form S-3 of our report dated July 17, 1998 included in the Genesys Telecommunications Laboratories, Inc.'s Form 10-K for the year ended June 30, 1998 and to all references to our Firm included in this registration statement. /s/ ARTHUR ANDERSEN LLP --------------------------------- ARTHUR ANDERSEN LLP San Jose, California June 15, 1999 ---