<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM PREMIERE
TECHNOLOGIES, INC. FOR THE PERIOD ENDED JUNE 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                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             APR-01-1997             JAN-01-1997
<PERIOD-END>                               JUN-30-1997             JUN-30-1997
<CASH>                                         152,346                 152,346
<SECURITIES>                                    31,796                  31,796
<RECEIVABLES>                                   17,329                  17,329
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                               221,530                 221,530
<PP&E>                                         103,755                 103,755
<DEPRECIATION>                                 (50,508)                (50,508)
<TOTAL-ASSETS>                                 325,156                 325,156
<CURRENT-LIABILITIES>                           67,285                  67,285
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           316                     316
<OTHER-SE>                                      89,181                  89,181
<TOTAL-LIABILITY-AND-EQUITY>                   325,156                 325,156
<SALES>                                         55,980                 111,350
<TOTAL-REVENUES>                                55,980                 111,350
<CGS>                                           15,163                  30,410
<TOTAL-COSTS>                                   15,163                  30,410
<OTHER-EXPENSES>                                77,980                 107,390
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                (105)                   (433)
<INCOME-PRETAX>                                (37,247)                (26,782)
<INCOME-TAX>                                    (6,583)                 (4,160)
<INCOME-CONTINUING>                            (30,664)                (22,622)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (30,664)                (22,622)
<EPS-PRIMARY>                                    (0.96)                  (0.71)
<EPS-DILUTED>                                    (0.96)                  (0.71)
        

</TABLE>