EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Form S-8 of our report dated July 17, 1998 included in 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 July 9, 1999