Careers and exams
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Job titles here are study labels, not open roles and not a vendor requisition.
MS-700 is still live, with a skills update on Oct 27 2026; it is NOT retired and has no replacement. MB-280 retired Jul 31 2026, with AB-210 as its successor; AB-210 is in beta.
Confirm the live seat on the exam page before you book. Renewal is not retirement.
- Teams voice: tenant, PSTN option, dial plan, SBC.
- Contact center: Dynamics 365 Contact Center routing, then the human escape.
- Bridge work: CUCM or UCCE still running beside Teams. Confirm the design.