Which scheduling and management application can be installed on any hardware platform that meets the minimum specifications that the end customer decides to deploy?

Cisco Video Communications Server is a dedicated call control and gatekeeping appliance or virtual machine, not a scheduling and management suite, and it is typically tied to specific deployment requirements.

Cisco TelePresence Management Suite is distributed as a software application that runs on standard Windows Server environments, meaning customers can deploy it on any hardware platform - physical or virtual - that satisfies the published minimum CPU, RAM, and storage requirements. This hardware-independent deployment model is a defining characteristic of TMS and distinguishes it from purpose-built appliances in the Cisco collaboration portfolio.

Cisco Digital Media Manager is a platform for managing digital signage and media content distribution, not a TelePresence conference scheduling and endpoint management application.

Cisco TelePresence Management Switch is not a recognized product in the Cisco scheduling and management portfolio and does not describe a real scheduling application.

Cisco Unified Communications Manager is a call processing and PBX platform that Cisco typically certifies and supports only on specific Cisco hardware appliances or UCS servers, and it is not a TelePresence scheduling and management suite.