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Migrating Teams voice: Direct Routing to Operator Connect

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Migrating Teams voice: Direct Routing to Operator Connect

Runbook for moving Teams Phone from a Direct Routing SBC to Operator Connect: choosing an operator, port vs new numbers, per-user cutover, emergency addresses.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/teams-direct-routing-to-operator-connect-migration

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Step 1: pick the operator, and get the number question answered

Teams admin center → Voice → Operators lists the operators available in each country. Choose based on the countries you need (an operator must be present in each), and on the answer to the only question that decides the…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/teams-direct-routing-to-operator-connect-migration

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Step 2: understand the constraint

A Teams user's LineUri comes from one of: Calling Plan, Operator Connect, or Direct Routing. Assignment is per user, so coexistence is natural — half the users on Direct Routing and half on Operator Connect is a support…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/teams-direct-routing-to-operator-connect-migration

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Step 3: prepare the Operator Connect side

Once the operator has provisioned the tenant:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/teams-direct-routing-to-operator-connect-migration

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Step 4: pilot, then cut over in batches

For each user in a batch:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/teams-direct-routing-to-operator-connect-migration

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Step 6: decommission Direct Routing

Once no user, resource account or device has a Direct Routing number:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/teams-direct-routing-to-operator-connect-migration

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Downtime and dependencies, honestly

Per user: seconds, scripted. Per batch during a number port: up to an hour of uncertain inbound routing at the port time, controlled by the carriers, not by you. Nothing requires Microsoft support; the operator is the p…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/teams-direct-routing-to-operator-connect-migration

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