SAP and Barcode formats

Hi Experts,

We are using the system to generate barcodes on specific documents based on Item Codes.

Unfortunately, some of the item codes are too complex for Barcode formats "Code 39" and "EAN-13" and some of the bar code do not produce the expected results.

I understand Code 128 - http://en.wikipedia.org/wiki/Code_128 - will generate the required barcodes. Is this available in SAP?

Thanks

Greig