Appendix D. NAT/Firewall Traversal
177
Port(s)
Type
Description
Direction
1719
UDP
H.323 gatekeeper registration
1720
TCP
H.323 call setup
5060
UDP
SIP call signaling for the VidyoGateway
nodes
17190
UDP
H.323 call signaling for the active
controller
17200
TCP
H.323 call signaling for the active
controller
49999
TCP
VidyoGateway inter-cluster secure
channel
50600
UDP
SIP call signaling for the active controller