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- Windows Server 2016 or newer, current Cumulative Updates (Windows Server 2012 R2 will work but when upgrades are done you need to rerun it after an error message on the first upgrade attempt)
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Networking
On the bridge it requires exclusive use of Port 80/TCP
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or alternatively 443/TCP if HTTPS is used. It also uses port 8090 internally for internal communication between the UDM services.
Externally the bridge talks to the tenant on HTTPS TCP/443, a firewall rule maybe required to allow the server external access. If you use a proxy for external access for servers you will need to configure the proxy as described in Configuring Bridge Communication via Proxy.
Internally the bridge talks to the phones on port 80/TCP or 443/TCP depending on if you have setup the phones for HTTP or HTTPS it also uses port 5060/UDP for rebooting phones with checksyncreboot command. Phone talk to the bridge on port 80/TCP or 443/TCP.