

Прослушиваемые порты UDP 3478 на Edge.
netstat -ano | find “:3478”
на каждом Edge будут записи с ip Internal/ExternalAV
Media Relay service on the Edge AV, source port of UDP 3478 and a destination port of UDP 3478.
Audio, Video, & Desktop sharing
Для SfB Online поправка – We are happy to announce that the 50,000-59,999 port range (UDP and TCP) is no longer a requirement for Skype for Business endpoints to communicate with Skype for Business Online.
для SfB Online
- TCP 80, 443
- UDP 3478, 3479, 3480, 3481
- Optional: UDP/TCP 50,000-59,999