rawChannel.getViaPort());
nextHop.getPort());
	public MessageChannel createMessageChannel(MessageChannel rawChannel) {		synchronized (clientTransactions) {			// New client transaction to return			SIPTransaction returnChannel = createClientTransaction(rawChannel);			clientTransactions.add(returnChannel);			((SIPClientTransaction) returnChannel).setViaPort(				rawChannel.getViaPort());			((SIPClientTransaction) returnChannel).setViaHost(				rawChannel.getHost());			return returnChannel;		}	}