2.6 Ports used by the ClickShare Base Unit

Overview
Sender CSE-200 Base Unit
ClickShare ButtonTCP6541; 6542; 6543; 6544; 6545
UDP514
ClickShare Apps for Windows, MacOS, iOS and AndroidTCP6541; 6542; 6543; 6544; 6545
UDP5353
ClickShare ConfiguratorTCP80; 443
ClickShare REST API & XMSTCP4000; 4001
AirplayTCP4100-4200; 7000; 7100; 47000
UDP4100-4200; 5353
Google CastTCP8008; 8009; 9080
UDP1900; 32768:61000[5]
Auto-updateTCP80; 443
Button ManagerTCP6546

If Proxy settings are enabled in the Configurator for auto-update functionality, additional ports may be used.

[5] Google Cast will pick a random UDP port above 32768 to facilitate video streaming