sonusDigitProfileDetMinOffDuration 1.3.6.1.4.1.2879.2.2.2.1.7.2.1.9

Specifies minimum interdigit duration in milliseconds for digit detection. The value must be in increments of 5ms. For DTMF digits, the value must be between 25ms and 80ms. For MF digits, the value must be between 10ms and 100ms.