/** Initializes timeouts and listener. */
void init(AckTransactionServerListener listener, TransactionIdentifier transaction_id, ConnectionIdentifier connaction_id)
{ this.transaction_listener=listener;
this.transaction_id=transaction_id;
this.connection_id=connection_id;
transaction_to=new Timer(SipStack.transaction_timeout,"Transaction",this);
retransmission_to=new Timer(SipStack.retransmission_timeout,"Retransmission",this);
// (CHANGE-040905) now timeouts started in listen()
//transaction_to.start();
//if (connection_id==null) retransmission_to.start();
printLog("id: "+String.valueOf(transaction_id),LogLevel.HIGH);
printLog("created",LogLevel.HIGH);