This read-write Integer32 object, in seconds (0-10000), sets the critical timing value: with a digit map, it starts once the last expected digit is received and, when it expires, the digit map match is considered complete; without a digit map, it starts immediately and is cancelled (not restarted) once a digit is entered. This timer effectively controls how quickly the system finalizes digit collection once a plausible match is reached, balancing responsiveness against accidental early cutoffs. An engineer noticing calls being routed before a caller finished an ambiguous extension number would increase this timer to give more margin before the match is finalized.