Implementing Direct Routing in Microsoft Teams

Microsoft Teams has become a cornerstone for communication and collaboration in modern workplaces. One of its most powerful features is Direct Routing, which allows organizations to connect their existing telephony infrastructure to Microsoft Teams. This blog will provide a detailed, step-by-step guide to implementing Direct Routing, covering prerequisites, configuration, certificates, voice routing policies, and more.

What is Direct Routing in Microsoft Teams?

Direct Routing enables organizations to use their Session Border Controller (SBC) to connect to Microsoft Teams for voice calling. This is particularly useful for businesses that want to leverage their existing telephony systems while integrating with Teams.

1. What are the Prerequisites for Implementing Direct Routing in Microsoft Teams?

Before diving into Direct Routing, ensure you meet the following prerequisites:

1. Microsoft Teams License: Ensure you have a valid Microsoft Teams license, such as Microsoft 365 E5 or a Phone System add-on.
2. Session Border Controller (SBC): You need a certified SBC to act as the bridge between your telephony system and Microsoft Teams.
3. Public IP Address: A dedicated public IP address for the SBC is required.
4. SIP Trunk: A SIP trunk from your telephony provider to connect to the SBC.
5. Microsoft Teams Admin Access: You must have admin access to configure voice routing policies and other settings.
6. DNS Configuration: Proper DNS records must be set up for the SBC.

2. How Do You Configure an SBC for Direct Routing?

Configuring an SBC for Direct Routing involves the following steps:

1. Purchase and Set Up the SBC: Choose a certified SBC (e.g., AudioCodes, Ribbon, or Sonus) and install it in your network.
2. Configure SIP Trunk: Set up the SIP trunk between your SBC and your telephony provider.
3. Add SBC to Microsoft Teams:
   • Go to the Microsoft Teams Admin Center.
   • Navigate to Voice > Direct Routing.
   • Add the SBC by specifying its FQDN and IP address.
4. Enable Media Bypass: This optimizes call quality by allowing media to flow directly between the SBC and Teams clients.
5. Test the Configuration: Use tools like the Network Configuration Tool to ensure the SBC is properly configured.

3. Which Certificates Are Required for Configuring Direct Routing?

Certificates are critical for securing the connection between the SBC and Microsoft Teams. Here’s what you need:

1. TLS Certificate: A public TLS certificate issued by a trusted Certificate Authority (CA) is required for the SBC.
   • Ensure the certificate includes the SBC’s FQDN.
   • Use a wildcard certificate if you have multiple SBCs.
2. Intermediate Certificates: Include any intermediate certificates required by the CA.
3. Certificate Renewal: Regularly renew the certificates to avoid service disruptions.

4. How Do You Assign Voice Routing Policies in Microsoft Teams?

Voice routing policies determine how calls are routed in Microsoft Teams. Follow these steps to assign them:

1. Create a Voice Routing Policy:
   • Go to the Microsoft Teams Admin Center.
   • Navigate to Voice > Voice Routing Policies.
   • Click Add to create a new policy.
2. Define Call Routes: Specify the call routes based on your organization’s requirements.
3. Assign the Policy to Users:
   • Go to Users and select the users you want to assign the policy to.
   • Click Edit Settings and assign the voice routing policy.

5. What Steps Are Involved in Connecting an SBC to Microsoft Teams?

Connecting an SBC to Microsoft Teams involves the following steps:

1. Prepare the SBC: Ensure the SBC is properly configured with the correct SIP trunk and TLS certificates.
2. Add the SBC to Teams: Use the Microsoft Teams Admin Center to add the SBC.
3. Configure Dial Plans: Create and assign dial plans to ensure proper number formatting.
4. Test the Connection: Make test calls to verify that the SBC is correctly connected to Teams.
5. Monitor and Troubleshoot: Use Microsoft Teams’ monitoring tools to ensure optimal performance.

Internal and External Links for Further Reading

• Internal Links:
  • How to Set Up Microsoft Teams Phone System
  • Top 5 Certified SBCs for Microsoft Teams Direct Routing
  • Best Practices for Voice Routing in Microsoft Teams
• External Links:
  • Microsoft’s Official Direct Routing Documentation
  • AudioCodes SBC Configuration Guide
  • Ribbon SBC Setup for Teams

SEO Keywords and Tags

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Secondary Keywords:

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Tags:

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Image Links

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Conclusion

Implementing Direct Routing in Microsoft Teams can seem complex, but with the right preparation and configuration, it becomes a seamless process. By following this guide, you’ll be able to connect your SBC, configure voice routing policies, and ensure secure communication with the proper certificates.

For more in-depth guides and best practices, visit UCAdmin and explore our library of resources on Microsoft Teams and unified communications.

Meta Description:

Learn how to implement Direct Routing in Microsoft Teams with this step-by-step guide. Discover prerequisites, SBC configuration, certificates, voice routing policies, and more.

Alt Text for Images:

• Direct Routing Diagram: Illustration of how Direct Routing connects SBC to Microsoft Teams.
• SBC Configuration: Step-by-step guide to configuring an SBC for Direct Routing.
• Voice Routing Policies: Overview of voice routing policies in Microsoft Teams.