* @param tc
     *            context to use
     * 
     * @return guessed alternate name
     */
    @Override
    public String nextCalledName ( CIFSContext tc ) {
        if ( this.addr instanceof NbtAddress ) {
            return ( (NbtAddress) this.addr ).nextCalledName(tc);
        }
        else if ( this.calledName != NbtAddress.SMBSERVER_NAME ) {
            this.calledName = NbtAddress.SMBSERVER_NAME;

    /**
     * Guess next called name to try for session establishment. These
     * methods are used by the smb package.
     * 
     * @param tc
     * 
     * @return guessed name
     */
    String nextCalledName ( CIFSContext tc );

     * method is used exclusively by the <tt>jcifs.smb1.smb1</tt> package.
     */

    public String nextCalledName() {
        if( addr instanceof NbtAddress ) {
            return ((NbtAddress)addr).nextCalledName();
        } else if( calledName != NbtAddress.SMBSERVER_NAME ) {
            calledName = NbtAddress.SMBSERVER_NAME;
            return calledName;
        }

        return this.calledName;
    }


    /**
     * 
     * @param tc
     *            context to use
     * @return net name to try
     */
    @Override
    public String nextCalledName ( CIFSContext tc ) {

        if ( this.calledName == this.hostName.name ) {
            this.calledName = SMBSERVER_NAME;
        }
        else if ( SMBSERVER_NAME.equals(this.calledName) ) {

                default:
                    disconnect( true );
                    throw new NbtException( NbtException.ERR_SSN_SRVC, 0 );
            }
        } while(( calledName.name = address.nextCalledName()) != null );

        throw new IOException( "Failed to establish session with " + address );
    }
    private void negotiate( int port, ServerMessageBlock resp ) throws IOException {

                case 0x1C:
                case 0x1D:
                    calledName = SMBSERVER_NAME;
            }
        }

        return calledName;
    }
    public String nextCalledName() {

        if( calledName == hostName.name ) {
            calledName = SMBSERVER_NAME;
        } else if( calledName == SMBSERVER_NAME ) {
            NbtAddress[] addrs;

            try {

            default:
                disconnect(true);
                throw new NbtException(NbtException.ERR_SSN_SRVC, 0);
            }
        }
        while ( ( calledName.name = this.address.nextCalledName(tc) ) != null );

        throw new IOException("Failed to establish session with " + this.address);
    }


    private SmbNegotiation negotiate ( int prt ) throws IOException {
        /*