Windows Small Business Server 2011 StandardCAL Device CAL: Device CALs are particularly suitable for companies where several employees work on one Device. With Windows Server 2011 Device CALs, you dont need to purchase per employee access, just per Device. 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. User CAL: A user CAL entitles a specific user to use any number of devices, such as a company PC, private PC, mobile phone, etc., from which he or she may access the server software. You should select this license type if a user not only accesses the corresponding server with one Deviceand, for example, uses his smartphone in addition to his PC to retrieve e-mails or uses a tablet as a secondary device. The same applies if employees are given the opportunity to use their private Devicesand log on to the network with t...