Samsung VC240 Reference Manual page 20

Note:
As mentioned above, if there is a firewall between the H.323 client and the SCOPIA PathFinder
Client, all ports must be opened in both directions (1024-65535). We therefore recommend no
firewall between the endpoint and the SCOPIA PathFinder Client.
Table 1-11 Outbound ports supported by SCOPIA PathFinder Client
Port Range Protocol
3089 TCP and UDP PathFinder
3478 STUN (UDP)
RADVISION | RADVISION Port Security Reference Guide
Functionality Direction
SCOPIA PathFinder
tunneling service Client to Server
STUN Binding SCOPIA PathFinder
Request Client to Server
Result of Blocking Port on
Firewall
SCOPIA PathFinder Client
cannot connect to the
SCOPIA PathFinder Server.
Legacy H.323 endpoints
behind the SCOPIA
PathFinder Client cannot call
external endpoints.
SCOPIA PathFinder Client
cannot determine its public
IP address. Smart Direct
Media Connect cannot
function.
Recipient Client
or Server Type
PathFinder Server
STUN server
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