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Overview

This document details the configuration required for an 

• Third-party party PBX and subtended clients

• SIP trunk from a third-party provider (PSTN)
  

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  SBC SWe Edge in Microsoft Azure offering Direct Routing Services to Teams Clients

  

From the Azure public cloud, the

• Security: Call encryption/decryption, denial-of-service (DoS)/distributed DoS attack neutralization, and protection from toll fraud.
• Interoperability: Call mediation services to connect Teams certified clients to non-Teams clients, including popular 3^rd  party SIP trunking and SIP PBX platforms such as the Avaya® Aura® Communication Manager and the Cisco® Unified Communications Manager.
• Survivability: Uninterrupted calling services for SIP clients (including Polycom® and Yealink® phones) through built-in SIP registrar and re-routing around failed routes/proxy servers/destination endpoints.
  
  

The

Step 1: Deploy SBC SWe Edge via Azure Marketplace

These instructions assume the 

Step 2: Review Prerequisites for Microsoft Teams Direct Routing

Step 3: Configure Azure for Microsoft Teams Direct Routing

Assign a Static Public IP Address on the Media Port

Assign a Static Public IP address on the media interface in Azure for Microsoft Teams Direct Routing.

1. Connect to the Azure portal. Refer to portal.azure.com.
2. From the left navigation pane, click Virtual Machines.

3. Click the desired VM to be used for Microsoft Teams Direct Routing.

   

4. Under Settings, click Networking to open the media interface.

   

5. Click on the network interface.

6. Under Settings, click IP Configuration.
   

   

7. Click ipconfig1.
8. Enable a Public IP address and create a new Static Public IP address on the media interface through a series of windows:
   

   1. From the Public IP address settings option, select Enabled.

   2. Click IP address.

   3. From the Choose public IP address window, click Create new.

   4. From the Create public IP address window and the Assignment options, select Static.

      

Step 4: Configure SBC SWe Edge for Microsoft Teams Direct Routing

Run the Easy Configuration Wizard to configure Microsoft Teams Direct Routing:

1. Access the WebUI. Refer to Logging into the SBC Edge.
2. Click on the Tasks tab.
3. From the left side menu, click SBC Easy Setup > Easy Config Wizard.

4. From the Application drop down box, select the relevant Easy Configuration wizard. Depending on your network, follow a relevant Easy Configuration wizard. Refer to the table below for guidance.
   Easy Configuration - Microsoft Teams Direct Routing Configuration

   Deployment Type	Refer to Configuration:
   SBC Connects to Microsoft Teams via SIP Trunk	SIP trunks ↔ Microsoft Phone System Direct Routing
   SBC connects to Microsoft Teams via IP PBX	IP PBX ↔ Microsoft Phone System Direct Routing

   
   

5. The Configuration Wizard is complete

Step 5: Complete SBC SWe Edge Configuration for Microsoft Teams Direct Routing in Azure

Configure IP Routing

IP Routing must be customized in the 

• Set the Default Route on the Media Interface.
• Add a Static Route for Microsoft Teams Direct Routing traffic to the Media Interface.

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DefaultRoute DefaultRoute

Option 1: Set the Default Route on a Media Interface

When using multiple NICs on the

To assign the network default route, refer to Change Azure Default Route.

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StaticRoute StaticRoute

Option 2: Add a Static Route for Microsoft Teams traffic to a Media Interface

Add a static route for the traffic to the following IP address and Mask: 52.112.0.0/14 (52.112.0.0/255.252.0.0).

1. Access the WebUI and click the Settings tab. Refer to Logging into the SBC Edge.
2. In the left navigation pane, go to Protocols > IP > Static Routes. 
3. Click Create Static IP Route at the top of the Static IP Route Table page.

4. Add the following Static Route using your media interface:

   1. Destination IP: 52.112.0.0

   2. Mask: 255.252.0.0

   3. Gateway: 10.1.9.1

      

5. Click OK.

Confirm the IP Configuration

Ensure that all network interfaces are configured as follows:

1. Access the WebUI and click the Settings tab. Refer to Logging into the SBC Edge.
2. In the left navigation pane, go to Networking Interfaces > Logical Interfaces.
3. Verify the following is configured:
   1. IP Assign Method: DHCP.

   2. DHCP Options to Use: IP Address and Default Route.

      

4. Update if required.

Step 6: Confirm SBC SWe Links to Microsoft Teams

Step 7: Place a Test Call