Skype Meetings App minimum network requirements
Summary: Information for organizations who don't use Microsoft 365 or Office 365 and need to access meetings hosted by organizations that do. This article is not intended for Office 365 or Microsoft 365 end-users.
Users of the Skype Meetings App in organizations that don't use Microsoft 365 or Office 365 might need to attend meetings hosted in Skype for Business Online. To attend these meetings, their network administrators need to allow the following FQDNs, IP addresses, and ports through their firewall.
Requirements for Skype Meetings App connectivity
The information listed here is a subset of the information in Office 365 URLs and IP address ranges. That topic is much more in-depth, and will always be current.
| App | Destination FQDNs | IP Addresses | Ports |
|---|---|---|---|
| Skype Meetings App | *.lync.com *.infra.lync.com *.pipe.aria.microsoft.com *.sfbassets.com *.msecnd.net *broadcast.officeapps.live.com *powerpoint.officeapps.live.com *.office.live.com *.cdn.office.net *.s-microsoft.com |
These IP addresses are frequently updated. See Skype for Business and Microsoft Teams IP ranges as well as Office IP Ranges | TCP: 80 & 443 UDP: 3478-3481 |
| Teams | *.microsoft.com *.skype.com |
These IP addresses are frequently updated. See Skype for Business and Microsoft Teams IP ranges as well as Office IP Ranges | TCP: 443 UDP: 3478-3481 |
See also
Plan for Meetings clients (Web App and Meetings App)
Deploy Web downloadable clients in Skype for Business Server