Description A Skype for Business Server Standard user client access license (CAL) authorizes one user to access Skype for Business Server from any device. For example, an employee might access the server from a computer at work and another at home. This donation provides one Standard user CAL. Standard device CALs for licensing computers and additive Enterprise and Plus CALs (user and device) for accessing additional features are also available. Major Capabilities The Standard CAL provides access to the following base features in Skype for Business Server: Instant messaging (IM) Presence PC-to-PC audio and video communications. Additional Information In addition to the Standard CAL, additive Enterprise or Plus CALs might be required for accessing additional Skype for Business Server features. Enterprise CAL: For audio, video, and web conferencing; desktop sharing; room systems; and multiple HD video streams. Enterprise CALs can only be used in conjunction with Standard CALs. Plus CAL: For enterprise telephony features. Plus CALs can only be used in conjunction with Standard CALs. To enable all features, all three licenses (Standard, Enterprise, and Plus) are needed. License Only This license does not require media, license keys, or setup codes. CALs, ECLs, and management licenses (MLs) offered through TechSoup are always for the currently offered version of the server software. However, these licenses can also be used with earlier versions of the server software. Software Assurance Under the Software Assurance program, you have the right to install any new release of products covered in the agreement during the term of your coverage.