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Function
Gatekeeper Discovery (RAS)
Q.931 Call Setup
H.245*
Video
Audio
Data/FECC
(*) Note: While using MultiSite, if a site is disconnected and reconnected without terminating the
entire conference, the next site to be connected will have a H.245 port outside of the specified
range. If this functionality is required through a firewall, the range of TCP ports can be extended
past 5564. However, if a site is disconnected and reconnected, without ending the conference
enough times one can quickly end up outside of this range again.
Port
1719
1720
Range 5555-5565
Range 2326-2405
Range 2326-2405
Range 2326-2405
Appendices
Type
UDP
TCP
TCP
UDP
UDP
UDP
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