In collaboration deployments, SSO primarily enables what?

• A. Local device management
• B. Centralized user authentication
• C. Encrypted signaling for calls
• D. Synchronous messaging only

Answer: (B)

Single Sign-On lets a user authenticate once and access multiple collaboration services without re-entering credentials. This centralizes the user’s identity, tying authentication to a single directory or identity provider so all connected apps and endpoints trust that user session. It makes sign-in seamless across phones, desk apps, conferencing, presence, and related tools, while simplifying administration by managing credentials and access policies in one place. Local device management is about configuring devices, encrypted signaling for calls secures the signaling path, and synchronous messaging only refers to messaging capabilities—not a unified sign-on experience. So the primary role of SSO in collaboration deployments is centralized user authentication.