Port Usage - Polycom VSX 3000 Administrator's Manual

Administrator's Guide for the VSX Series

Port Usage

Appendix - 4
The tables in this section list VSX system port usage. You may need this
information when you configure your network equipment for video
conferencing.
The following table shows H.323 port usage.
Port
80-Static
389-Static
1503-Static
1718-Static
1719-Static
1720-Static
1731-Static
8080-Static
1024-65535
1024-65535
1024-65535
1024-65535
Function
TCP HTTP interface (optional)
TCP ILS registration (LDAP)
TCP T.120
TCP Gatekeeper discovery (must be bidirectional)
TCP Gatekeeper RAS (must be bidirectional)
TCP H.323 call setup (must be bidirectional)
TCP Audio call control (must be bidirectional)
TCP HTTP server push (optional)
Dynamic TCP H245. Can be set to "Fixed Ports" on
Polycom systems.
Dynamic UDP - RTP (video data). Can be set to "Fixed
Ports" on Polycom systems.
Dynamic UDP - RTP (audio data). Can be set to "Fixed
Ports" on Polycom systems.
Dynamic UDP - RTCP (control information). Can be set to
"Fixed Ports" on Polycom systems.