OPTIONS health

Repeated misses take a trunk out of service. The campus does not invent Microsoft's internal counter.

Sources and go deeper

Same checked list as T14-R05-ucce-during-a-move.html.

Cisco Unified Border Element — Vendor — last checked 2026-10.
Teams contact center integration models — Microsoft Learn — last checked 2026-10.
RFC 3261 — RFC — last checked 2026-10.
Session Initiation Protocol — Wikipedia — last checked 2026-10. Wikipedia fallback for background. Confirm the vendor page before you change a tenant
Session border controller — Wikipedia — last checked 2026-10. Wikipedia fallback for background. Confirm the vendor page before you change a tenant
Microsoft Teams blog index — Community — last checked 2026-10. Community index for the Microsoft Teams blog. This is the index, not a claim that a post discusses this room

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