Rsa97

[context]
exten => 200,1,Здесь любой диалплан вызова

function flags($value) {
    if (!in_array($value, [0, 1, 2, 3, 6, 7, 8, 9])) {
        return false;
    }
    $result = [];
    if (in_array($value, [1, 3, 7, 9])) {
        $result[] = 'a';
    }
    if (in_array($value, [2, 3, 8, 9])) {
        $result[] = 'b';
    }
    if (in_array($value, [6, 7, 8, 9])) {
        $result[] = 'c';
    }
    return $result;
}

function encodeWav(array $raw) : array
{
    $result = "RIFF"
        . pack('V', count($raw))
        . "WAVEfmt "
        . pack('V', 16)
        . pack('v', 1)
        . pack('v', TTS_DEFAULT_OPTIONS['numChannels'])
        . pack('V', TTS_DEFAULT_OPTIONS['sampleRate'])
        . pack('V', TTS_DEFAULT_OPTIONS['sampleRate'] * 4)
        . pack('v', 4)
        . pack('v', 16)
        . 'data'
        . pack('V', count($raw) * 2);
    $volume = 1;
    foreach ($raw as $unit) {
        $result .= pack('v', $unit * $volume);
    }
    return [
        'type' => 'audio/x-wav',
        'content' => $result
    ];
}

[context]
exten => 111,1,Здесь вызов чего угодно в любом порядке

(step == undefined || step == null || (step == 0 && start < end))

const range = (start, end, step = 1) => {
  if (step === 0 || isNaN(Number(step))) {
    throw new Exception('Неверное значение step');
  }
  if (start < end && step < 0 || start > end && step > 0) {
    step = -step;
  }
  const n = Math.floor((end - start) / step) + 1;
  return Array(n).fill(1).map((v, i) => start + step * i);
}

console.log(range(10, 1));
// Array(10) [ 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 ]

const format = (value, mask) => {
  let i = 0;
  return mask.replaceAll(/#/g, () => (i < value.length ? value[i++] : '#'));
}
format('123456789', '(###)-###-###'); // "(123)-456-789"
format('123', '(###)-###-###'); // "(123)-###-###"