[Koha] printing barcodes

[kael at email.arizona.edu]

Hi,
When creating and printing barcodes what symbology does Koha use?  From what I
can tell it looks like it is using either EAN-13 or UPC-A.  In the User's Guide
(4.3) it says it uses EAN-128, does Koha support EAN-128?

The only success I have had is when the Number System (Country Code) is 0,
followed by 11 digits, and when the check digit is automatically generated. 
When I use other country codes, like 978, what gets scanned doesn't match with
whats in the items barcode data.

Thank you,
Kael