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Change stream · Microsoft 365 Message Center Archive by Merill Fernando

Generally Available: Cleanup legacy AlternateId usage to ensure continued service

4 May 2026 · Azure Communication Services

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Source: Microsoft 365 Message Center Archive by Merill Fernando

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We have identified an issue impacting Multi-line (Multiple Number Assignment) feature for Teams Phone enablement related to the usage of AlternateId in customer internal implementations…

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