RetirementAction required The documentation states that Microsoft-provided SMS and voice authentication, including SMS first-factor sign-in, retires on February 1, 2027. It also updates the setting label to “Enable first factor sign-in” and notes automatic disabling after 30 days without traffic.
The article now explains CYOT architecture, Azure Function integration, supported providers, and planning considerations such as coverage, pricing, fraud protection, resiliency, and costs.
The new guide explains how to connect Microsoft Entra SMS and voice authentication to a telecom provider using CYOT, including purchasing, Azure deployment, permissions, policy configuration, testing, and rollout.
The documentation explains CYOT delivery dependencies and resiliency approaches, including multi-region Azure Front Door deployments, secondary telecom providers, failover testing, capacity planning, and associated costs.
The documentation explains how to trace Choose Your Own Telephony Provider requests across Microsoft Entra audit logs, sign-in logs, Function App logs, and the telecom provider portal, including relevant fields and queries.
The article now explains how to trace Choose Your Own Telephony Provider requests through Microsoft Entra audit and sign-in logs, Function App logs, and the telecom provider portal.
Doc updateAction required A new article explains how to configure telecom-provider fraud, destination, channel, spending, and alert controls; secure the CYOT integration; monitor activity; and respond to suspected fraud.
Microsoft Entra ID now generally supports Choose Your Own Telephony Provider (CYOT) for SMS and voice authentication, retiring Microsoft-provided services by February 1, 2027. Organizations must select a provider, set up CYOT, and transition before that date, while Microsoft recommends phishing-resistant methods like passkeys.
The article now covers general Microsoft Entra MFA SMS and voice problems, including telecom delivery, Microsoft’s visibility, and investigation using correlation IDs and timestamps. CYOT-specific troubleshooting content was replaced, and phishing-resistant alternatives are recommended.
The article now uses a shorter title and consolidated guidance emphasizing that CYOT updates the existing SMS or voice policy, may affect current users, and requires preserving production `includeTargets`. It also recommends saving the current policy JSON and using a test tenant for alternate targeting.
The SMS/voice API setup documentation now links its rollout and diagnostic references to the choose-your-own-telephony troubleshooting page.
The monitoring and troubleshooting references now point to the dedicated choose-your-own-telephony troubleshooting page.
The phone providers documentation now links SMS and voice troubleshooting guidance to the dedicated `choose-your-own-telephony-troubleshoot.md` page.
The documentation link for monitoring and troubleshooting SMS and voice with your own telecom provider now points to the custom-telephony troubleshooting page.