Asterisk - The Open Source Telephony Project
18.5.0
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; ; Answering Machine Detection Configuration ; [general] total_analysis_time = 5000 ; Maximum time allowed for the algorithm to decide ; on whether the audio represents a HUMAN, or a MACHINE silence_threshold = 256 ; If the average level of noise in a sample does not reach ; this value, from a scale of 0 to 32767, then we will consider ; it to be silence. ; Greeting ; initial_silence = 2500 ; Maximum silence duration before the greeting. ; If exceeded, then the result is detection as a MACHINE. after_greeting_silence = 800 ; Silence after detecting a greeting. ; If exceeded, then the result is detection as a HUMAN greeting = 1500 ; Maximum length of a greeting. If exceeded, then the ; result is detection as a MACHINE. ; Word detection ; min_word_length = 100 ; Minimum duration of Voice to considered as a word maximum_word_length = 5000 ; Maximum duration of a single Voice utterance allowed. between_words_silence = 50 ; Minimum duration of silence after a word to consider ; the audio what follows as a new word maximum_number_of_words = 2 ; Maximum number of words in the greeting ; If exceeded, then the result is detection as a MACHINE