Which ports are opened in the firewall?
Which ports are opened in the firewall?
To meet the port requirements for communication, you must also configure the following ports. It applies all the version of Lync or Skype for Business Server.
TCP 443, TCP 80 and 443, TCP 5061, PSOM/TLS 443, STUN/TCP 443, STUN/UDP 3478, RTP/TCP 50000-59999
For more details about it, you could refer to this article:
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.
It has been a while, how is everything going?
If you have any update about this issue, please feel free to post back.
Haven't received your message for a long time.
Do you have any further issue on this topic?
3 people are following this question.