Callback::getPhoneNumbers

static function getPhoneNumbers(): array
{
	if(!self::canUse())
	{
		return array();
	}

	if (self::$phoneNumbers === null)
	{
		$list = array();
		$numbers = \CVoxImplantConfig::GetCallbackNumbers();
		foreach ($numbers as $numberCode => $numberName)
		{
			if (!$numberCode)
			{
				continue;
			}

			$list[] = array(
				'CODE' => $numberCode,
				'NAME' => $numberName ?: $numberCode,
			);
		}

		self::$phoneNumbers = $list;
	}

	return self::$phoneNumbers;
}