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Ctelo Voice Architecture - Teams Telephony

A full end-to-end view of how an external caller reaches a Teams agent — with every supporting service, policy and identity in between. Click any component to inspect it.

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External

Telecom

Ctelo

Microsoft

Teams

Policy

Identity

Device

Supporting components

Alternatives & Add-ons

Queues App

Teams Premium surface on top of a Call Queue: opt in/out, real-time board, supervisor tools.

Shared Calling

One service number shared across many users — no per-user DID required.

AI & Agents

Copilot in Teams Phone, voice agents replacing DTMF IVR, analytics agents.