![Use guest access and external access to collaborate with people outside your organization - Microsoft Teams | Microsoft Learn Use guest access and external access to collaborate with people outside your organization - Microsoft Teams | Microsoft Learn](https://learn.microsoft.com/en-us/microsoftteams/media/external-access-federation-settings.png)
Use guest access and external access to collaborate with people outside your organization - Microsoft Teams | Microsoft Learn
![Planning, prerequisites and firewall ports for your Microsoft Teams integration | Pexip Infinity Docs Planning, prerequisites and firewall ports for your Microsoft Teams integration | Pexip Infinity Docs](https://docs.pexip.com/Resources/Images/teams/pexip_onprem.png)
Planning, prerequisites and firewall ports for your Microsoft Teams integration | Pexip Infinity Docs
Microsoft Teams to Skype for Business Server Federation is Going Away Soon | by Nextplane Inc. | Medium
![Planning, prerequisites and firewall ports for your Microsoft Teams integration | Pexip Infinity Docs Planning, prerequisites and firewall ports for your Microsoft Teams integration | Pexip Infinity Docs](https://docs.pexip.com/Resources/Images/teams/pexip_tp_call_control.png)