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--- title: Microsoft Teams shared line appearance titleSuffix: An Azure Communication Services concept document description: Provides an overview of Teams shared line appearance and delegate calling for Teams users in Azure Communication Services Calling SDK. author: jamescadd manager: chpalmer services: azure-communication-services ms.author: jacadd ms.date: 2/6/2025 ms.topic: conceptual ms.service: azure-communication-services ms.subservice: teams-interop ms.custom: - build-2025 --- # Microsoft Teams shared line appearance Microsoft Teams shared line appearance lets a user choose a delegate to answer or handle calls on their behalf. This feature is helpful if a user has an administrative assistant who regularly handles the user's calls. In the context of Teams shared line appearance, a manager is someone who authorizes a delegate to make or receive calls on their behalf. A delegate can make or receive calls on behalf of the delegator. ## Prerequisites - An Azure account with an active subscription. See [Create an account for free](https://azure.microsoft.com/pricing/purchase-options/azure-account?cid=msft_learn). - A deployed Communication Services resource. See [Create a Communication Services resource](../../../quickstarts/create-communication-resource.md). - A user access token to enable the calling client. For more information, see [Create and manage access tokens](../../../quickstarts/identity/access-tokens.md). - Licensing requirements for delegator and delegates. See [Teams Phone license](/microsoftteams/shared-line-appearance#license-required). - Enable delegation and shared line appearance. See [Enable delegation](/microsoftteams/shared-line-appearance#enable-delegation-and-shared-line-appearance) - Assign delegates using [Microsoft Teams Client](https://support.microsoft.com/office/share-a-phone-line-with-a-delegate-in-microsoft-teams-16307929-a51f-43fc-8323-3b1bf115e5a8) or [Teams PowerShell](/microsoftteams/shared-line-appearance#use-powershell). - Optional: Complete the quickstart to add voice calling to Microsoft Teams user. See [Quickstart: Add voice calling to Microsoft Teams user](../../../quickstarts/voice-video-calling/get-started-call-to-teams-user.md). ## Use Cases **Business Enterprises**: Team leads can delegate their call responsibilities during meetings or vacations to their assistants or colleagues, ensuring uninterrupted communication with stakeholders. **Contact Centers:** Supervisors can allocate their call flows to other available agents during breaks, making certain that no client query goes unanswered. **Healthcare:** Doctors or nurses can delegate their call flows to peers or assistants during surgeries or when attending critical cases, ensuring patient queries are addressed promptly. ## Platform capabilities The following Azure Communication Services and Graph platforms currently support shared line appearance: | Capability | Calling SDK JS | Graph SDK | |------------------------------------------------------------|----------------|-----------| | Set up delegation (add/remove/update delegate permissions) | ❌ | ❌ | | Receive calls on behalf of another | ✔️ | ❌ | | Call a phone number on behalf of another | ✔️ | ❌ | | Call a Teams user on behalf of another | ✔️ | ❌ | | Receive an ACS user call on behalf of another Teams user | ✔️ | ❌ | | Get the delegate view of shared lines | ❌ | ✔️ | | Get the delegate view of manager’s call activities | ❌ | ❌ | | Get the manager view of delegates | ❌ | ✔️ | | Get shared call history | ❌ | ❌ | | Delegate or manager can hold or resume | ✔️ | ❌ | > [!NOTE] > Calling SDK for iOS, Android, and Windows do not currently support shared line appearance. For more information on the capabilities available during a shared line appearance call, see [Calling capabilities for Teams users](../teams-user-calling.md). ## Next steps - [Get started with Teams Shared Line Appearance in Azure Communication Services](../../../how-tos/cte-calling-sdk/shared-line-appearance.md)