'Update the DomainInstance
:param unicode auth_type: The auth_type
:param unicode friendly_name: A user-specified, human-readable name for the trigger.
:param unicode voice_fallback_method: The voice_fallback_method
:param unicode voice_fallback_url: The voice_fallback_url
:param unicode voice_method: HTTP method to use with voice_url
:param unicode voice_status_callback_method: The voice_status_callback_method
:param unicode voice_status_callback_url: The voice_status_callback_url
:param unicode voice_url: The voice_url
:returns: Updated DomainInstance
:rtype: twilio.rest.api.v2010.account.sip.domain.DomainInstance'

def update(self, auth_type=values.unset, friendly_name=values.unset, voice_fallback_method=values.unset, voice_fallback_url=values.unset, voice_method=values.unset, voice_status_callback_method=values.unset, voice_status_callback_url=values.unset, voice_url=values.unset):

    return self._proxy.update(auth_type=auth_type, friendly_name=friendly_name, voice_fallback_method=voice_fallback_method, voice_fallback_url=voice_fallback_url, voice_method=voice_method, voice_status_callback_method=voice_status_callback_method, voice_status_callback_url=voice_status_callback_url, voice_url=voice_url)
