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Add_workflow_for_techpubs
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Panel

Table of Contents

Available_since
TypeAvailable Since
Release8.1.5


Overview

Note
titleCaution

When the 

Spacevars
0product3
is deployed in Azure, the 
Spacevars
0product3
does not support Local Media Optimization. Local Media Optimization is available only in on-premises deployments supports Local Media Optimization.

The Central SBC and the Proxy SBC roles are supported in all deployments as follows:

  1. Confirm that in all deployments, private interfaces are assured between relevant parties, as identified at: https://docs.microsoft.com/en-us/microsoftteams/direct-routing-media-optimization 
  2. Secondly, acceptable network connectivity and performance between all nodes (typically indicated by KPIs) must be maintained for an acceptable level of LMO service.
  3. Exercise caution and ensure a high quality link to the Public Cloud (Azure) to ensure acceptable Central SBC/Proxy SBC roles and LMO behavior. Currently, Ribbon and Microsoft strongly encourage the use of ExpressRoute to ensure proper LMO performance.
  4. Ribbon and Microsoft reserve the right to decline support for LMO issues should proper care and network conditions not meet the requirements listed out in the point above.


Info
titleNote

This best practice uses the term Microsoft Teams Direct Routing, which is also known as Phone System Direct Routing.

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  • You must plan the Microsoft Teams tenant for Local Media Optimization usage according to the Local Media Optimization for Direct Routing document.
  • You must configure the Microsoft Teams tenant for Local Media Optimization usage according to the Configure Local Media Optimization for Direct Routing document. When you configure the Microsoft Teams Direct Routing, you must also configure the following items:

    • CsTenantTrustedIPAddress

    • CsTenantNetworkRegion

    • CsTenantNetworkSite

    • CsTenantNetworkSubnet

    • CSOnlinePSTNGateway

    • CsOnlineVoiceRoute

Licensing Requirements

The LMO functionality requires the Downstream SBCs to use a Proxy/Central SBC as a registrar, hence this requires the Proxy/Central SBC to have SIP Registration licenses. This applies for both 1000/2000 and SBC SWe Edge. 

Certificate Usage

The Proxy 

Spacevars
0product2
requires a certificate signed by a public certificate authority.

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The public certificate must be issued by one of the supported certification authorities (CAs). Wildcard certificates are supported.

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