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This best practice outlines how to use the
to configure Local Media Optimization for Microsoft Teams Direct Routing. Local Media Optimization allows the Microsoft Teams Direct Routing media flow to always use the shortest path to improve the
's media quality and bandwidth usage. The Microsoft Teams Direct Routing media flow can be directly established between the Teams client and the
, even if the
does not have Microsoft Teams Direct Routing connectivity. The
,
, and
support the Proxy
, Central, and Downstream SBCs. For more details about this feature, refer to
Local Media Optimization for Direct Routing.
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the
as a Proxy in the central site- the as a Downstream in a local branch office
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You can use the Prepare Proxy SBC procedure to configure the as a Central .The Proxy information in this best practice applies to a Central configuration unless otherwise stated. |
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For the Proxy , recommends that you use the because it has higher CPS (up to 10 CPS) and higher session density (up to 1200 simultaneous Direct Routing calls).Make sure the licensed quantity of sessions on the accommodates the maximum number of Local Media Optimization calls that the subtended (attached behind the Proxy ) Downstream s carry. |
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This section outlines how to prepare the Proxy
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Install
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You can use the procedures in this section if you want to configure a Central
. Note that the screen captures in this section are not examples of Central configurations.For more information about configuring a Central
, refer to Local Media Optimization for Direct Routing. and Install and Perform Initial Setup
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Perform this procedure only if you are creating a new for the Proxy role (a greenfield scenario). |
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- Access a compatible web browser.
- In the browser, enter the IP address of the in the URL address bar. The Welcome to screen is displayed.
- Review the Pre-Login message.
- Enter the administrator User Name and Password configured during initial setup.
- If the Acknowledge Pre-Login Message checkbox is displayed, click on it to acknowledge you have reviewed the pre-login information above. After initial login, this checkbox can be enabled and disabled via the Global Security Options. By default, this checkbox is configured as disabled.
Click Login. The main screen provides all WebUI functions, including tabbed options, menu tree, device name, and the last login date and time of the system.
Select Tasks > SBC Easy Setup > Easy Config Wizard.
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| 1 | Easy Config Wizard |
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In the Application field, select your application. This best practice configures the SIP Trunk ↔ Microsoft Teams.
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| 1 | Easy Configuration Step 1 |
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- Configure the other fields in Step 1 and click Next.
In the SIP Trunk section, enter the information for the central SIP Trunk provider.
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For a Central configuration, configure the Border Element Server with the FQDN or IP of the central SIP Trunk. |
In the In the Teams Connection Type field, select Local Media Optimization.
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| 1 | Easy Configuration Step 2 |
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Configure the other fields in the Microsoft Teams section and click Next.
note |
The will not support the Outbound NAT Traversal field until the 9.0.0 release. |
Review your configuration information in Step 3 and click Finish.
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| 1 | Easy Configuration Step 3 |
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- Access a compatible web browser.
- In the browser, enter the IP address of the in the URL address bar. The Welcome to screen is displayed.
- Review the Pre-Login message.
- Enter the administrator User Name and Password configured during initial setup.
- If the Acknowledge Pre-Login Message checkbox is displayed, click on it to acknowledge you have reviewed the pre-login information above. After initial login, this checkbox can be enabled and disabled via the Global Security Options. By default, this checkbox is configured as disabled.
Click Login. The main screen provides all WebUI functions, including tabbed options, menu tree, device name, and the last login date and time of the system.
In the WebUI, click the Diagnostics tab.
In the left navigation pane, click Test a Call.
Configure the parameters according to your SBC.
Use the following table to configure the parameters for a Proxy SBC.
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| 1 | Test Call for a Proxy SBC - Parameters |
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| Parameter | Value |
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Destination Number | Number assigned to a Teams user. | Origination/Calling Number | Number assigned to a Local user. | Call Routing Table | The routing table that handles the call from the Proxy . |
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See the following example configuration of testing a call for a Proxy SBC.
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| 1 | Test Call for a Proxy SBC - Configuration |
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Use the following table to configure the parameters for a Central SBC.
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| 0 | Table |
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| 1 | Test Call for a Central SBC - Parameters |
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| Parameter | Value |
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Destination Number | Number assigned to a Teams user. |
Origination/Calling Number | Number assigned to a Local user. |
Call Routing Table | The routing table that handles the call from the Central . |
See the following example configuration of testing a call for a Central SBC.
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| 1 | Test Call for a Central SBC - Configuration |
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Use the following table to configure the parameters for a Downstream SBC.
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| 0 | Table |
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| 1 | Test Call for a Downstream SBC - Parameters |
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| Parameter | Value |
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Destination Number | Number assigned to a Teams user. | Origination/Calling Number | Number assigned to a Local user. | Call Routing Table | The routing table that handles the call from the Downstream . |
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See the following example configuration of testing a call for a Downstream SBC.
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| 1 | Test Call for a Downstream SBC - Configuration |
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Click OK.
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| 1 | Place a Test Call - Example |
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