Forum Discussion
Jackaravinth
Feb 03, 2020Copper Contributor
Network configuration preventing us from making you call
Hi Could anyone advise me please am seeking for an immediate response. Am getting error as " Its look like network configuration preventing us from making an call. please contact your network a...
- Feb 04, 2020
Hi,
Do you get this for one computer or all computers in one location?
First you can start with testing with Network Testing Companion, read more about it here:
https://www.lync.se/2019/09/network-testing-companion/
If your are using a proxy, bypass that for Teams traffic.
Firewall ports 80 and 443 and UDP ports 3478 through 3481 from the clients to the internet have to be open to get an good experience.
Jackaravinth
Feb 06, 2020Copper Contributor
YidoDML
Jun 03, 2021Copper Contributor
Jackaravinth did you get to the bottom of this?
- Stilldrey-MVPJun 08, 2021Learn Experthttps://connectivity.office.com/ and
https://docs.microsoft.com/en-us/microsoft-365/enterprise/office-365-network-mac-perf-onboarding-tool?view=o365-worldwide#what-happens-at-each-test-step - looks like some better/future connectivity/testing tools as well (I'm getting errors from the network testing companion today).- MondasJul 06, 2021Iron ContributorWe had this in our offices. For us it was our firewall blocking the ports. If you want to do some tests you can use the Skype for Business Network Assessment Tool which can help you see whats going on.
https://www.microsoft.com/en-us/download/details.aspx?id=53885