Network firewall settings for Skype/Lync in Zoom

It is necessary to establish the VoIP/Lync and Zoom Federation port and destination addresses mentioned below.

Note : Basically the traffic from and to these addresses must be allowed through the ports listed in this document. 

Ports and destinations

Protocol Ports Data Destination
 TCP 5061 SIP/TLS connection for Lync Federation
 TCP  50000–60000 RDP sharing data
 UDP   50000–60000 RTP media for audio video
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