def _sendSetup(self, headers={}, streamid=0):
        target = '%s://%s:%s%s/streamid=%s' % (self.factory.scheme,
                                               self.factory.host,
                                               self.factory.port,
                                               self.factory.path,
                                               streamid)
        headers['If-Match'] = self.session
        headers['Transport'] = 'x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play'
        self.sendSetup(target, headers)