The detector shall be capable of recognizing an interruption having a nominal duration of 0.3 ms in This means that all interruptions exceeding 0.5 ms and 3 dB below the threshold to which the instrument is accordance with the probability curve given in F
ITU-T O.62-1988 history
1988ITU-T O.62-1988 SOPHISTICATED EQUIPMENT TO MEASURE INTERRUPTIONS ON TELEPHONE-TYPE CIRCUITS