0000891618-97-002813 424B4 1 19970702 NASD 8X8 INC 0001023731 3674 770142404 CA 0331 424B4 33 333-15627 97635065 2445 MISSION COLLEGE BLVD 408-727-1885 SANTA CLARA CA 95054 4087271885 424B4 1 000089161897002813-001-seq1-424b4.txt FINAL PROSPECTUS DATED JULY 2, 1997