def getRegistrationInfo(logicalURL):
        """
        Get registration info for logical URL.

        @return: Deferred of C{Registration} object or failure of LookupError.
        """

        Get registration info for logical URL.

        @return: Deferred of C{Registration} object or failure of LookupError.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/protocols/sip.py