Network Requirements and Settings (DP)

The following Microsoft article details the network and firewall settings for Teams.

Preparing Your Network For Microsoft Teams

This article covers configuring the service to connect to your PBX 

https://connectorsupport.freshdesk.com/support/solutions/articles/80000082491-connector-configuration-to-work-with-your-pbx

For links to third-party articles we can not be held responsible for the content.