Microsoft SQL Server Standard2012 1 Device CAL Device CAL: Device CALs are particularly suitable for companies where several employees work on one Device. With Windows Server 2012 Device CALs, you do not need to purchase per-employee access, just Deviceaccess. Whether this form of licensing is suitable for you depends on the structure of your company. By choosing the right CALs, you work cost-efficiently and save resources. Device CALs and User CALs can also be combined.   Language : Single Language, EnglishVersion: Microsoft Microsoft Windows1x Device CAL     Product activation note & installation information: You receive your license (transfer of rights) for the purchased Microsoft product. A product key or license key is not required for this licensing. The proof is legally valid in the form of the delivery note.