The Microsoft Skype for Business Server Plus CAL is a software licensing solution designed for academic institutions. This license allows for the use of Skype for Business on one device, ensuring that users can unlock all features by installing the product on a PC. The software is part of the Microsoft Open Value Subscription program, providing a cost - effective way for educational organizations to manage their software needs. With a focus on volume licensing, this product is ideal for institutions looking to enhance their communication capabilities while benefiting from academic pricing.