Add Microsoft Teams Phone Connector to Trust Traffic List

Updated at May 6th, 2025

Table of Contents

Prerequisets:

Prerequisets:

Global admin access to https://admin.teams.microsoft.com/

 

Scope

This article outlines adding Microsoft Teams Phone to the trusted traffic list, which is a prerequisite to configuring Microsoft Teams. A complete list of prerequisites can be found in the Microsoft Teams Phone Connector PBX Configuration Steps.

  1. Log in to Microsoft Admin Center
  2. Navigate to Locations > Network Topology
  3. Select "Trusted IPs" and click Add
  4. Complete the following fields:
    1. IP Version: IPv4
    2. IP Address: 4.205.24.222
    3. Network Range: 32
    4. Description: Microsoft Teams Phone Connector Media IP
  5. Click Apply
  6. Complete the following fields:
    1. IP Version: IPv4
    2. IP Address: 20.151.228.58
    3. Network Range: 32
    4. Description: Microsoft Teams Phone Connector Media IP
  7. Click Apply
  8. Click Add again and complete the following fields
    1. IP Version: IPv4
    2. IP Address: 104.45.229.220
    3. Network Range: 32
    4. Description: Microsoft Teams Phone Connector SIP IP
  9. Click Apply
  10. Click Add again and complete the following fields
    1. IP Version: IPv4
    2. IP Address: 52.168.3.140
    3. Network Range: 32
    4. Description: Microsoft Teams Phone Connector SIP IP
  11. Click Apply

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