_conn.getProtocolHandler().syncWrite(channelOpenBody.generateFrame(channelId), ChannelOpenOkBody.class);
// todo send low water mark when protocol allows.
// todo Be aware of possible changes to parameter order as versions change.
BasicQosBody basicQosBody = _conn.getProtocolHandler().getMethodRegistry().createBasicQosBody(0,prefetchHigh,false);
_conn.getProtocolHandler().syncWrite(basicQosBody.generateFrame(channelId),BasicQosOkBody.class);
if (transacted)
{
if (_logger.isDebugEnabled())
{