Microsoft Teams: Enhanced delegated calling with delegate call access restrictions and join notifications

Microsoft Teams is adding call delegation enhancements: delegators can lock active calls to block delegate participation and enable warning tones notifying when delegates join or resume calls. These features improve privacy and transparency during calls, rolling out worldwide from August to September 2026. No immediate admin action needed. What and Why: Microsoft is enhancing Microsoft Teams call delegation with new controls that provide greater privacy, transparency, and control during active calls. Delegators will be able to lock active calls to prevent delegate participation and optionally enable warning tones that notify participants whenever a delegate joins or resumes a call. These enhancements help users manage sensitive conversations more effectively while improving awareness during delegated call handling. This message is associated with Roadmap ID 567306. Rollout Schedule: Targeted Release (Worldwide): We will begin rolling out in early August 2026 and expect to complete by mid-August 2026. General Availability (Worldwide): We will begin rolling out in mid-August 2026 and expect to complete by mid-August 2026. General Availability (GCC, GCC High): We will begin rolling out in mid-August 2026 and expect to complete by late August 2026. General Availability (DoD): We will begin rolling out in mid-August 2026 and expect to complete by early September 2026. Impact on Your Organization: Who is affected: Users with Microsoft Teams call delegation configured. Executives, administrative assistants, managers, and support personnel who use delegated calling. Platforms/Services: Microsoft Teams Teams Calling Teams desktop Teams web What will happen: A new Lock an Ongoing Call capability will be available to delegators. Screenshot 1: During an active call, delegators can use the new Lock call control from the meeting toolbar to restrict delegate participation in sensitive conversations: View image in new tab Screenshot 2: Delegators can lock an active Teams call directly from the Calls experience, preventing delegates from joining or resuming the call until it is unlocked: View image in new tab Delegators can lock an active call to prevent delegates from: Resuming a call that has been placed on hold. Joining an ongoing active call. Delegates will continue to see locked calls in their call history. Delegates will be […]

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