tone-stream/lib/dtmf.js

A simple audio tone stream library

const tones = {
	'1': [697, 1209],
	'2': [697, 1336],
	'3': [697, 1477],
	'A': [697, 1633],
	'4': [770, 1209],
	'5': [770, 1336],
	'6': [770, 1477],
	'B': [770, 1633],
	'7': [852, 1209],
	'8': [852, 1336],
	'9': [852, 1477],
	'C': [852, 1633],
	'*': [941, 1209],
	'0': [941, 1336],
	'#': [941, 1477],
	'D': [941, 1633],
}

// Adding aliases
tones['a'] = tones['A']
tones['b'] = tones['B']
tones['c'] = tones['C']
tones['d'] = tones['D']
tones['e'] = tones['*']
tones['f'] = tones['#']
tones['E'] = tones['*']
tones['F'] = tones['#']



module.exports = tones