def has_phone_number(self):
        """Check whether the account has a verified phone number

        :return: result
        :rtype: :class:`bool` or :class:`None`

        .. note::
            Retruns `None` if the web requests fails for any reason
        """
        sess = self._get_web_session()

        try:
            resp = sess.post('https://steamcommunity.com/steamguard/phoneajax',
                            data={
                                'op': 'has_phone',
                                'arg': '0',
                                'checkfortos': 0,
                                'skipvoip': 1,
                                'sessionid': sess.cookies.get('sessionid', domain='steamcommunity.com'),
                                },
                            timeout=15).json()
        except:
            raise

        if resp['success'] == True:
            return resp['has_phone']
Check whether the account has a verified phone number

        :return: result
        :rtype: :class:`bool` or :class:`None`

        .. note::
            Retruns `None` if the web requests fails for any reason