<ARTICLE> 5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
Inter-Tel,  Incorporated and subsidiaries  financial  statements for the quarter
ended June 30,  2000 and is  qualified  in its  entirety  by  reference  to such
financial statements.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<EXCHANGE-RATE>                                      1
<CASH>                                           29170
<SECURITIES>                                         0
<RECEIVABLES>                                    75291
<ALLOWANCES>                                     15066
<INVENTORY>                                      29977
<CURRENT-ASSETS>                                168044
<PP&E>                                           68881
<DEPRECIATION>                                   34555
<TOTAL-ASSETS>                                  247606
<CURRENT-LIABILITIES>                            88896
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        107280
<OTHER-SE>                                       27350
<TOTAL-LIABILITY-AND-EQUITY>                    247606
<SALES>                                         197452
<TOTAL-REVENUES>                                197452
<CGS>                                           117863
<TOTAL-COSTS>                                   117863
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                  4013
<INTEREST-EXPENSE>                                 137
<INCOME-PRETAX>                                (57070)
<INCOME-TAX>                                   (21687)
<INCOME-CONTINUING>                            (35383)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (35383)
<EPS-BASIC>                                     (1.34)
<EPS-DILUTED>                                   (1.34)