[Special value]:
250000016 : No result.
250000032 : Test failed.
250000048 : 'Not Measured' reason # 1: Can't start the test when port is enabled and force not set.
250000064 : 'Not Measured' reason # 2: Can't start the test when port is off-hook.
250000080 : 'Not Measured' reason # 3: Can't start the test when port is disabled or on-hook.
250000096 : 'Not Measured' reason # 4: can't start the test when port is disabled or off-hook or service state is out-of-service.
250000112 : 'Not Measured' reason # 5: can't start the test when port is disabled or off-hook.
250000128 : 'Not Measured' reason # 6: The test item will be skipped when testing all items and (vTip > 0.5Vac or vRing > 0.5Vac or abs(vTip) > 0.5Vdc or abs(vRing) > 0.5Vdc).
250000144 : 'Not Measured' reason # 7: Hardware driver do not measure this item.