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  "description": "Starting June 2026, Microsoft Teams voicemail transcription will migrate to Azure LLM Speech using the Fast Transcription API, improving accuracy, speed, and adding automatic language detection plus 14 new languages. The rollout completes by late July 2026 with no required user action or policy c...",
  "path": "/m365-message-center/message/mc1338827/",
  "publishedAt": "2026-06-04T00:00:05.000Z",
  "site": "https://blog.tophhie.cloud",
  "tags": [
    "LLM Speech for speech transcription and translation |Speech Service | Microsoft Foundry | Microsoft Learn",
    "Manage Cloud Voicemail policies for your users | Microsoft Teams | Microsoft Learn"
  ],
  "textContent": "**[What and Why]**\n\nStarting in June 2026, **Microsoft Teams voicemail transcription** will transition to **Azure LLM Speech** using the **Fast Transcription API**. This update improves transcription accuracy, processing speed, and reliability, while introducing **automatic language detection** and**support for 14 additional languages**. We expect new languages to be available for in all Azure regions by the end of July.\n\nThis enhancement helps organizations better support multilingual users and increases the value of **Microsoft 365 Copilot** by enabling richer processing of voicemail content through transcripts. In the coming three months, M365 Copilot is also expected to recognize voicemail as a distinct message type, making it easier to identify and work with these messages.\n\n**[Rollout Schedule]**\n\n**General Availability (Worldwide):** We will begin rolling out in**mid-June 2026** and expect to complete by **late July 2026.**\n\n**[Impact on Your Organization]**\n\n_Who is affected_\n\n  * Organizations using **Microsoft Teams voicemail transcription**\n  * All users with voicemail transcription enabled via policy\n\n\n\n _Platforms/Services_\n\n  * **Microsoft Teams**\n  * **Exchange Online voicemail**\n  * **Microsoft 365 Copilot**(indirectly enhanced)\n\n\n\n_What will happen_\n\n  * Voicemail transcription will migrate to **Fast Transcription API Azure LLM Speech** automatically.\n  * **Automatic language detection** will be **enabled for voicemail messages**.\n  * Transcription accuracy and processing speed will improve.\n  * **Support for 14 additional languages** will be added.\n  * **New languages are enabled by default** for tenants with transcription turned**ON**.\n  * Existing voicemail policies remain unchanged.\n  * No change to the secure and compliant voicemail experience.\n\n\n\n_Language support_\n\n  * **Currently supported (9):**\n    * English (en-US)\n    * Spanish (es-ES)\n    * Portuguese (pt-BR)\n    * French (fr-FR)\n    * German (de-DE)\n    * Italian (it-IT)\n    * Dutch (nl-NL)\n    * Chinese (zh-CN)\n    * Japanese (ja-JP)\n  * **New languages (14):**\n    * Arabic (ar-SA)\n    * Czech (cs-CZ)\n    * Danish (da-DK)\n    * Finnish (fi-FI)\n    * Hebrew (he-IL)\n    * Hindi (hi-IN)\n    * Hungarian (hu-HU)\n    * Korean (ko-KR)\n    * Norwegian Bokmål (nb-NO)\n    * Polish (pl-PL)\n    * Russian (ru-RU)\n    * Swedish (sv-SE)\n    * Thai (th-TH)\n    * Turkish (tr-TR)\n\n\n\n**[Action Required / Recommendations]**\n\nNo action required. We do not expect any issues during the transition of voicemail transcription to Fast Transcription API.\n\nRecommended actions:\n\n  * Review voicemail transcription is enabled in _your organization via Teams Admin Center Voicemail Policies_.\n  * Inform helpdesk and users about improved transcription quality and expanded language support.\n  * Update internal documentation if you reference supported voicemail languages.\n  * Monitor user feedback after rollout, especially in _multilingual environments_.\n\n\n\nAdmin control:\n\n  * Voicemail transcription can be managed via Teams Voicemail Policies.\n\n\n\n**Learn more:**\n\n  * LLM Speech for speech transcription and translation |Speech Service | Microsoft Foundry | Microsoft Learn\n  * Manage Cloud Voicemail policies for your users | Microsoft Teams | Microsoft Learn\n\n\n\n**[Compliance considerations]**\n\n**Question**| **Answer**\n---|---\nDoes the change alter how existing customer data is processed, stored, or accessed (such as documents, emails, chats, etc.), and if so, how and to what extent?| Yes. Voicemail audio data will be processed using Azure LLM Speech via the Fast Transcription API, replacing the older transcription LLM model that is being deprecated.There are no changes to voicemail storage or compliance controls. The underlying processing flow remains unchanged; only the transcription LLM model is being upgraded.\nDoes the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data, and if so, summarize the changes?| No\nDoes the change provide users any new way of interacting with generative AI, and if so, how?| No",
  "title": "MC1338827: Microsoft Teams: Voicemail transcription service migration and new languages",
  "updatedAt": "2026-06-04T00:00:06.017Z"
}