sessionDescriptionsList.addElement(sessionDescriptionImpl);
    public SessionDescription createSessionDescription()    throws SdpException {        SessionDescriptionImpl 	   sessionDescriptionImpl=new SessionDescriptionImpl();                ProtoVersionField ProtoVersionField=new ProtoVersionField();        ProtoVersionField.setVersion(0);        sessionDescriptionImpl.setVersion(ProtoVersionField);                OriginField originImpl=null;        try{            originImpl=(OriginField)this.createOrigin("user",            InetAddress.getLocalHost().getHostAddress());        }        catch(UnknownHostException e) {e.printStackTrace();}        sessionDescriptionImpl.setOrigin(originImpl);                SessionNameField sessionNameImpl=new SessionNameField();        sessionNameImpl.setValue("-");        sessionDescriptionImpl.setSessionName(sessionNameImpl);                TimeDescriptionImpl timeDescriptionImpl=new TimeDescriptionImpl();        TimeField timeImpl=new TimeField();        timeImpl.setZero();        timeDescriptionImpl.setTime(timeImpl);        Vector times=new Vector();        times.addElement(timeDescriptionImpl);        sessionDescriptionImpl.setTimeDescriptions(times);                sessionDescriptionsList.addElement(sessionDescriptionImpl);        return sessionDescriptionImpl;    }