•   01/04/2024 11:15 AM
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This guide provides step-by-step instructions for configuring Microsoft Teams to enable Direct Routing, facilitating the integration with an external Session Border Controller (SBC), such as VoiceCloud. By following these steps, users will be able to make and receive calls via Microsoft Teams.

  1. Domain Addition in Microsoft 365 Admin Center:

    • Navigate to the Microsoft 365 admin center, go to Settings → Domains, and select Add domain. For instance, enter sbc.v-pbx.site as the domain.

  1. Verification Method Selection:

    • Choose the verification method. In this example, verification is done by adding a TXT record in the DNS.

  1. Receiving Verification Data:

    • Obtain the data required for domain verification from Microsoft.

  1. TXT Record Addition:

    • Insert the TXT record in your DNS using the data provided by Microsoft for domain verification.

  1. Domain Use Configuration:

    • If the domain is dedicated solely to voice calls, deselect “Exchange and Exchange Online Protection” during the verification process.

  1. User Addition with Domain:

    • Under Users → Active users, choose Add a user and use the newly verified domain.

  1. License Selection:

    • Assign the necessary licenses, such as Phone Standard, Business Basic, or E3, to the user.

  1. Microsoft Teams Admin Center Navigation:

    • Access the Microsoft Teams admin center, navigate to Voice → Direct Routing.

  1. Managing PSTN Usage Records:

    • At the top right of the page, choose “Manage PSTN usage records” and add “sbc” as a new record.

  1. SBC Configuration:

    • Within Voice → Direct Routing → SBCs, select Add ensuring “Enabled” and “Send SIP options” are selected.

  1. Activation Status Check:

    • Note that the domain is added but remains inactive until further configuration.

  1. Voice Route Setup:

    • Go to Voice → Direct Routing → Voice routes, and click Add. Use a regular expression for the “Dialed number pattern” like ^(\+[0-9]{7,15})$, then add your SBC and the previously created PSTN usage record.

  1. Voice Routing Policy Creation:

    • Under Voice → Voice routing policies, select Add to create a new policy, incorporating your PSTN usage record.

  1. User Management:

    • Edit the settings of the user added earlier by going to Users → Manage users.

  1. Assigning Voice Routing Policy:

    • Select Policies → Voice routing policy, then choose Edit and apply the previously created routing policy.

  1. General Account Information Update:

    • Update general account information under Account → General information → Edit.

  1. Phone Number Assignment:

    • Assign a phone number to the user by selecting Phone number type as Direct Routing and providing the specific phone number.

Completion of these steps marks the successful configuration of Microsoft Teams for Direct Routing. Following the setup of VoiceCloud as the SBC, the system will be activated, enabling users to make and receive calls via Microsoft Teams.

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