synchronized (clientTransactionTable) { String key = sipTransaction.getTransactionId(); clientTransactionTable.remove(key); }
	public void removeTransaction(SIPTransaction sipTransaction) {		if (sipTransaction instanceof SIPServerTransaction) {			synchronized (serverTransactions) {				serverTransactions.remove(sipTransaction);			}			synchronized (serverTransactionTable) {				String key = sipTransaction.getTransactionId();				serverTransactionTable.remove(key);			}		} else {			synchronized (clientTransactions) {				clientTransactions.remove(sipTransaction);			}			synchronized (clientTransactionTable) {				String key = sipTransaction.getTransactionId();				clientTransactionTable.remove(key);			}		}	}