Volume licensing is easy and generally more economical way to buy multiple Microsoft software product licenses. With volume-based licensing, licenses are viewed and administered on a centralized Microsoft licensing site (VLSC – Volume License Service Center).
The Volume Licensing Service Center (VLSC) gives you easy access to: Download products and keys, Access all your licensing information in one location, view your relationship summary and license summary details, Review the status of your enrollments and Activate and consume Software Assurance benefits.
TLS offers the following Software’s under Volume Licensing:
MS SQL Server
Windows Server
Microsoft Office