'Initialize the SipList
:param Version version: Version that contains the resource
:param account_sid: A 34 character string that uniquely identifies this resource.
:returns: twilio.rest.api.v2010.account.sip.SipList
:rtype: twilio.rest.api.v2010.account.sip.SipList'

def __init__(self, version, account_sid):

    super(SipList, self).__init__(version)
    self._solution = {'account_sid': account_sid}
    self._domains = None
    self._regions = None
    self._ip_access_control_lists = None
    self._credential_lists = None
