CALLTEST.EXE: Only one test may be called per command line. USAGE: CALLTEST [/REPS XXXX] each of the following tests can be run from the command line as well: /DROP = Drop Call tests /SINGLE = Single Call tests /CLOSE = Line Close tests /REPS = Number of repetitions for tests. Otherwise it is infinite. Assuming you have HMTSP.TSP installed in the telephon.cpl, you can run these tests. Three different tests to use with tapi: Single call: lineInitialize lineOpen (for each line available.) lineMakeCall (for each HMTSP.TSP line.) lineClose lineShutdown Line Close: lineInitialize (at the start of the test) repeat { lineOpen (for each line available.) lineMakeCall (for each HMTSP.TSP line.) lineClose } lineShutdown Drop Call: lineInitialize (at the start of the test) lineOpen (for each line available.) repeat { lineMakeCall (for each HMTSP.TSP line.) lineDrop lineDeallocateCall } lineClose (for each line available.) lineShutdown