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

    /**
     * Return the underlying <tt>NbtAddress</tt> or <tt>InetAddress</tt>.
     */

     */
    @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;
            return this.calledName;
        }
        return null;
    }


    /**