check before: 2025-08-01
Product:
Entra, Microsoft 365 admin center, Teams
Platform:
Online, World tenant
Status:
Change type:
Admin impact, Feature update, Updated message, User impact
Links:
Details:
Summary:
Starting early August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center by submitting business info and documents before provisioning new phone numbers. The process, taking up to two days, applies globally and does not affect existing numbers.
Details:
Updated September 24, 2025: We have updated the timeline. Thank you for your patience.
Introduction
We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing).
When this will happen
General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by late September 2025 (previously mid-September).
Change Category:
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Scope:
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Release Phase:
Created:
2025-07-19
updated:
2025-09-24
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Delay in Provisioning New Phone Numbers
Teams administrators will face delays in acquiring new phone numbers due to the mandatory KYC onboarding process, which can take up to two business days.
- roles: Teams Administrator, IT Support
- references: https://learn.microsoft.com/MicrosoftTeams/teams-phone-know-your-customer
Increased Administrative Burden
The requirement for submitting business information and documentation increases the administrative workload for Teams administrators, potentially leading to errors or delays.
- roles: Teams Administrator, Compliance Officer
- references: https://learn.microsoft.com/MicrosoftTeams/teams-phone-know-your-customer
User Experience Disruption
Users may experience disruptions in communication services if new phone numbers cannot be provisioned in a timely manner, affecting business operations.
- roles: End User, Customer Service Representative
- references: https://learn.microsoft.com/MicrosoftTeams/teams-phone-know-your-customer
Configutation Options**
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Opportunities**
Streamlined KYC Process
Implementing an automated workflow for KYC onboarding can significantly reduce the time and effort required for Teams administrators to submit business information and documentation. This would enhance the user experience by minimizing delays in provisioning new phone numbers.
- next-steps: Research automation tools that integrate with the Teams Admin Center and develop a prototype for the KYC onboarding process.
- roles: Teams Administrators, Compliance Officers, IT Operations Managers
- references: https://learn.microsoft.com/MicrosoftTeams/teams-phone-know-your-customer
Training and Documentation
Providing comprehensive training and clear documentation on the new KYC process can help Teams administrators navigate the requirements efficiently, reducing errors and the time taken to complete the onboarding.
- next-steps: Develop training materials and schedule workshops for Teams administrators to ensure they are well-prepared for the KYC process.
- roles: Teams Administrators, IT Trainers, Compliance Officers
- references: https://learn.microsoft.com/MicrosoftTeams/teams-phone-know-your-customer
Role-Based Access Control Optimization
Enhancing the role-based access control (RBAC) within the Teams Admin Center can streamline the KYC onboarding process by ensuring that only authorized personnel can submit sensitive business information, thereby improving security and compliance.
- next-steps: Review current RBAC settings and assess the need for adjustments to enhance security during the KYC onboarding process.
- roles: IT Security Managers, Compliance Officers, Teams Administrators
- references: https://learn.microsoft.com/MicrosoftTeams/teams-phone-know-your-customer
Potentional Risks**
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Data Protection**
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IT Security**
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Hypothetical Work Council Statement**
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DPIA Draft**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2025-09-24 | MC Messages | Updated September 18, 2025: We have updated the timeline. Thank you for your patience.
Introduction We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing). When this will happen General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by mid-September 2025 (previously early September). | Updated September 24, 2025: We have updated the timeline. Thank you for your patience.
Introduction We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing). When this will happen General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by late September 2025 (previously mid-September). |
| 2025-09-24 | MC How Affect | This change updates the existing telephone number provisioning workflow. Teams administrators must now complete a KYC onboarding process in the Teams Admin Center before provisioning new telephone numbers.
Admins will be required to submit business information and supporting documentation. The vetting process typically takes a few hours but may take up to two business days. No new telephone numbers can be acquired until the submitted information is validated. Existing telephone numbers are not affected. These requirements apply globally and are consistent across all markets. | This change updates the existing telephone number provisioning workflow. Teams administrators must now complete a KYC onboarding process in the Teams Admin Center before provisioning new telephone numbers.
Admins will be required to submit business information and supporting documentation. The vetting process typically takes a few hours but may take up to two business days. No new telephone numbers can be acquired until the submitted information is validated. Existing telephone numbers are not affected. These requirements apply globally and are consistent across all Calling Plans markets. |
| 2025-09-24 | MC Last Updated | 09/18/2025 22:04:02 | 2025-09-24T19:19:29Z |
| 2025-09-24 | MC End Time | 10/20/2025 09:00:00 | 2025-11-10T08:00:00Z |
| 2025-09-24 | MC Summary | Starting early August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center by submitting business info and documents before provisioning new phone numbers. The process, required globally, takes hours to two days; existing numbers remain unaffected. | Starting early August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center by submitting business info and documents before provisioning new phone numbers. The process, taking up to two days, applies globally and does not affect existing numbers. |
| 2025-09-19 | MC Messages | Updated September 4, 2025: We have updated the timeline. Thank you for your patience.
Introduction We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing). When this will happen General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by early September 2025 (previously late August). | Updated September 18, 2025: We have updated the timeline. Thank you for your patience.
Introduction We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing). When this will happen General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by mid-September 2025 (previously early September). |
| 2025-09-19 | MC Last Updated | 09/04/2025 19:47:05 | 2025-09-18T22:04:02Z |
| 2025-09-19 | MC Summary | Starting early August 2025, Teams admins must complete a one-time KYC onboarding in Teams Admin Center with business info and documents before provisioning new phone numbers. The process, taking hours to two days, applies globally, does not affect existing numbers, and requires no specific license tier. | Starting early August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center by submitting business info and documents before provisioning new phone numbers. The process, required globally, takes hours to two days; existing numbers remain unaffected. |
| 2025-09-05 | MC Last Updated | 08/12/2025 22:23:55 | 2025-09-04T19:47:05Z |
| 2025-09-05 | MC Messages | Updated August 12, 2025: We have updated the content. Thank you for your patience.
Introduction We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing). When this will happen General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by late August 2025. | Updated September 4, 2025: We have updated the timeline. Thank you for your patience.
Introduction We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing). When this will happen General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by early September 2025 (previously late August). |
| 2025-09-05 | MC End Time | 09/30/2025 09:00:00 | 2025-10-20T09:00:00Z |
| 2025-09-05 | MC Summary | Starting August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center with business info and documents before provisioning new phone numbers. This global process protects against misuse, does not affect existing numbers, and supports role-based access control via Entra ID. | Starting early August 2025, Teams admins must complete a one-time KYC onboarding in Teams Admin Center with business info and documents before provisioning new phone numbers. The process, taking hours to two days, applies globally, does not affect existing numbers, and requires no specific license tier. |
| 2025-08-13 | MC prepare | Ensure your Teams administrators are ready to provide the following information via the Teams Admin Center:
Company name Tax ID, DUNS number, or Business Registration Number Business address A copy of the Business Registration, Registry Extract, or Articles of Incorporation This process applies to all tenants, including those on free trials. No specific license tier is required to complete the KYC onboarding. Learn more: Teams Phone Know Your Customer overview - Microsoft Teams | Microsoft Learn (will be updated before rollout) Compliance considerations Does the change store new customer data, if so, where, and is the data cached or permanently stored? - Yes. The KYC onboarding process requires submission of business information and supporting documentation, which will be stored by Microsoft to fulfill regulatory requirements. Does the change alter how existing customer data is processed, stored, or accessed? - Maybe. While existing telephone numbers are not affected, the process introduces new data collection and validation workflows that may interact with existing tenant metadata. Does the change include an admin control and, can it be controlled through Entra ID group membership? - Yes. The KYC onboarding process is managed through the Teams Admin Center, which supports role-based access control via Entra ID group membership. https://learn.microsoft.com/MicrosoftTeams/teams-phone-know-your-customer | Ensure your Teams administrators are ready to provide the following information via the Teams Admin Center:
Company name Tax ID, DUNS number, or Business Registration Number Business address A copy of the Business Registration, Registry Extract, or Articles of Incorporation This process applies to all tenants, including those on free trials. No specific license tier is required to complete the KYC onboarding. Learn more: Teams Phone Know Your Customer overview - Microsoft Teams | Microsoft Learn Compliance considerations Does the change store new customer data, if so, where, and is the data cached or permanently stored? - Yes. The KYC onboarding process requires submission of business information and supporting documentation, which will be stored by Microsoft to fulfill regulatory requirements. Does the change alter how existing customer data is processed, stored, or accessed? - Maybe. While existing telephone numbers are not affected, the process introduces new data collection and validation workflows that may interact with existing tenant metadata. Does the change include an admin control and, can it be controlled through Entra ID group membership? - Yes. The KYC onboarding process is managed through the Teams Admin Center, which supports role-based access control via Entra ID group membership. https://learn.microsoft.com/MicrosoftTeams/teams-phone-know-your-customer |
| 2025-08-13 | MC Summary | Starting August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center with business info and documents before provisioning new phone numbers. The process, taking hours to two days, applies globally and does not affect existing numbers or require specific licenses. | Starting August 2025, Teams admins must complete a one-time KYC onboarding in the Teams Admin Center with business info and documents before provisioning new phone numbers. This global process protects against misuse, does not affect existing numbers, and supports role-based access control via Entra ID. |
| 2025-08-13 | MC Last Updated | 07/19/2025 01:39:38 | 2025-08-12T22:23:55Z |
| 2025-08-13 | MC Messages | Introduction
We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing). When this will happen General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by late August 2025. | Updated August 12, 2025: We have updated the content. Thank you for your patience.
Introduction We're streamlining the Know Your Customer (KYC) requirements for acquiring Microsoft telephone numbers in all markets. Teams administrators will need to submit general business information and supporting documents via Teams Admin Center before provisioning new telephone numbers. This is a one-time process that will allow Microsoft to validate businesses and fulfill regulatory requirements, helping protect our phone services from misuse, such as spam calls and voice phishing (vishing). When this will happen General Availability (Worldwide): We will begin rolling out in early August 2025 and expect to complete by late August 2025. |
| 2025-08-13 | MC Title | Microsoft Teams | Know Your Customer (KYC) onboarding required for new phone number requests | (Updated) Microsoft Teams | Know Your Customer (KYC) onboarding required for new phone number requests |
| 2025-08-13 | MC MessageTagNames | Feature update, User impact, Admin impact | Updated message, Feature update, User impact, Admin impact |
Last updated 4 weeks ago ago
