At Zoom, we are hard at work to provide you with the best 24x7 global support experience during this pandemic. As part of this ongoing commitment, please review our updated Support Guidelines.

Network firewall settings for Skype for Business Lync integration Follow


The following ports and destinations are necessary for the Skype for Business/Lync and Zoom Federation.

Note: Traffic must be allowed to and from these addresses via the listed ports.

Ports and destinations 

Protocol Ports Data


 TCP 5061  SIP/TLS connection for Lync Federation
 TCP  5000060000

RDP sharing data

 UDP   5000060000 RTP media for audio video