MC1402306 – M365 Change Digest

One-line summary

Teams Phone on mobile will let users manage and use multiple assigned phone numbers in the Teams mobile app, improving calling for those with several lines.

Similar updates

Details

RoadmapIds

565131

FeatureStatusJson

{"0":[{"RoadmapId":0,"McPostId":"MC1402306","Platform":"IOS","Status":"Launched","LastUpdateTime":"2026-08-19T03:00:22.6079213Z","LatestRing":"StandardRelease","TenantRolloutRing":null},{"RoadmapId":0,"McPostId":"MC1402306","Platform":"All","Status":"Launched","LastUpdateTime":"2026-08-19T03:00:22.6079214Z","LatestRing":"StandardRelease","TenantRolloutRing":null}]}

Summary

Microsoft Teams Phone will support managing multiple phone lines on the Teams mobile app starting late July 2026, completing by August end. Users can select lines for calls, return calls by line, and view unified call history. No action is required; admins may manage numbers post-rollout.

Platforms

Android, iOS

Body (from Message Center)

Updated August 18, 2026: We have updated the timeline. Thank you for your patience.

[What and Why]

We are expanding Microsoft Teams Phone capabilities to mobile devices by enabling users to manage and use multiple assigned phone numbers directly within the Teams mobile app. Users will see and manage their assigned phone lines in the Calls app on Teams mobile, allowing them to choose the appropriate number when placing or returning calls. This update provides a more consistent calling experience across devices and helps users who manage multiple roles or regions stay productive without switching devices or workflows.

This message is associated with Microsoft 365 Roadmap ID 565131.

[Rollout Schedule]

General Availability (Worldwide): We will begin rolling out in late July 2026 and expect to complete by end of August 2026 (previously mid-August).

[Impact on Your Organization]

Who is affected:

Organizations using Teams Phone
Users who are assigned multiple phone numbers in Teams Phone

Platforms/Services

Microsoft Teams
Teams mobile (iOS and Android)

What will happen

Users will be able to select which phone line to use when placing calls from the dial pad:
Calls can be returned using a selected phone line directly from call history:
A unified call history will be available, with the ability to filter by phone line.
Calling across multiple phone lines will be supported within Teams mobile.
This capability extends existing Teams Phone multi-line functionality to mobile devices.
The feature will be available to users who are already configured with multiple phone numbers in Teams Phone.

[Action Required or Recommendations]

No action is required.

After rollout, admins may choose to:

Review which users require multiple phone numbers.
Assign and manage phone numbers in the Teams admin center.
Ensure each assigned number has a valid emergency address configured.
Confirm compliance with regional telecommunications requirements.

Learn more: (To be updated closer to rollout.) Use the dial pad to make a call in Microsoft Teams | Microsoft Support

[Compliance considerations]

No compliance considerations identified. Review as appropriate for your organization.

Raw JSON (for debugging)

Expand/collapse the full payload below.

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{
  "snapshot_item": {
    "action_required_by": null,
    "ai_action_required_by": "2026-07-20T00:00:00Z",
    "ai_actions": [
      "Review which users require multiple phone numbers",
      "Assign and manage phone numbers in the Teams admin center",
      "Ensure each assigned number has a valid emergency address configured",
      "Confirm compliance with regional telecommunications requirements"
    ],
    "ai_master_tags": [
      "User",
      "Admin"
    ],
    "ai_model": "gpt-4.1",
    "ai_summary": "Teams Phone on mobile will let users manage and use multiple assigned phone numbers in the Teams mobile app, improving calling for those with several lines.",
    "ai_topics": [
      "Teams"
    ],
    "category": "planForChange",
    "details_map": {
      "FeatureStatusJson": "{\"0\":[{\"RoadmapId\":0,\"McPostId\":\"MC1402306\",\"Platform\":\"IOS\",\"Status\":\"Launched\",\"LastUpdateTime\":\"2026-08-19T03:00:22.6079213Z\",\"LatestRing\":\"StandardRelease\",\"TenantRolloutRing\":null},{\"RoadmapId\":0,\"McPostId\":\"MC1402306\",\"Platform\":\"All\",\"Status\":\"Launched\",\"LastUpdateTime\":\"2026-08-19T03:00:22.6079214Z\",\"LatestRing\":\"StandardRelease\",\"TenantRolloutRing\":null}]}",
      "Platforms": "Android, iOS",
      "RoadmapIds": "565131",
      "Summary": "Microsoft Teams Phone will support managing multiple phone lines on the Teams mobile app starting late July 2026, completing by August end. Users can select lines for calls, return calls by line, and view unified call history. No action is required; admins may manage numbers post-rollout."
    },
    "id": "MC1402306",
    "importance": 5,
    "is_major_change": false,
    "last_modified": "2026-08-18T17:46:44Z",
    "ms_products": [
      "Teams"
    ],
    "platforms": "Android, iOS",
    "roadmap_ids": [
      "565131"
    ],
    "services": [
      "Microsoft Teams"
    ],
    "severity": "normal",
    "tags": [
      "Updated message",
      "New feature",
      "User impact",
      "Admin impact"
    ],
    "title": "(Updated) Microsoft Teams: Use multiple phone lines on Teams mobile"
  }
}