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Advancing trusted calls with Open Verifiable Calling at Microsoft

Introductory vendor-reported

Maintainer: Alyse Maguire (Microsoft Inside Track) · 2026-06-18 · checked 2026-10-14

A Microsoft Inside Track article describing how Microsoft's support organization adopted Open Verifiable Calling (OVC) so that calls from its contact center carry credentials attesting its right to the displayed number and brand and its legal identity. It names the OVC Alliance under GSMA Foundry, Provenant as signing service, and the Verifiable Voice Protocol. Microsoft's own account of its deployment.

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