this.pendingResponses = new LinkedList();
	protected SIPClientTransaction(		SIPTransactionStack newSIPStack,		MessageChannel newChannelToUse) {		super(newSIPStack, newChannelToUse);		// Create a random branch parameter for this transaction		// setBranch( SIPConstants.BRANCH_MAGIC_COOKIE +		// Integer.toHexString( hashCode( ) ) );		setBranch(Utils.generateBranchId());		if (LogWriter.needsLogging) {			parentStack.logWriter.logMessage(				"Creating clientTransaction " + this);			parentStack.logWriter.logStackTrace();		}	}