<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM PREMIERE
TECHNOLOGIES, INC. FOR THE PERIOD ENDED SEPTEMBER 30, 1997 AND IS QUALIFIED IN 
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JUL-01-1997             JAN-01-1997
<PERIOD-END>                               SEP-30-1997             SEP-30-1997
<CASH>                                           4,693                   4,693
<SECURITIES>                                    62,645                  62,645
<RECEIVABLES>                                    7,676                   7,676
<ALLOWANCES>                                      (671)                   (671)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                79,780                  79,780
<PP&E>                                          24,999                  24,999
<DEPRECIATION>                                  (3,888)                 (3,888)
<TOTAL-ASSETS>                                 143,444                 143,444
<CURRENT-LIABILITIES>                           15,003                  15,003
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           241                     241
<OTHER-SE>                                     127,693                 127,693
<TOTAL-LIABILITY-AND-EQUITY>                   143,444                 143,444
<SALES>                                         56,014                 167,364
<TOTAL-REVENUES>                                56,014                 167,364
<CGS>                                           14,610                  45,020
<TOTAL-COSTS>                                   14,610                  45,020
<OTHER-EXPENSES>                                58,400                 165,790
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                (124)                   (557)
<INCOME-PRETAX>                                (17,035)                (43,817)
<INCOME-TAX>                                    (5,113)                 (9,273)
<INCOME-CONTINUING>                            (11,922)                (34,544)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (11,922)                (34,544)
<EPS-PRIMARY>                                    (0.37)                  (1.10)
<EPS-DILUTED>                                    (0.37)                  (1.10)
        

</TABLE>