Port usage – Polycom VSX Series User Manual
Page 212
Administrator’s Guide for the VSX Series
Appendix - 8
Port Usage
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 IP port usage.
Port
Function
80-Static
TCP HTTP interface (optional)
389-Static
TCP ILS registration (LDAP)
1503-Static TCP
T.120
1718-Static
TCP Gatekeeper discovery (must be bidirectional)
1719-Static
TCP Gatekeeper RAS (must be bidirectional)
1720-Static
TCP H.323 call setup (must be bidirectional)
1731-Static
TCP Audio call control (must be bidirectional)
5060-Static
UDP/TCP SIP call setup (must be bidirectional)
8080-Static
TCP HTTP server push (optional)
1024-65535
Dynamic TCP H245. Can be set to “Fixed Ports” on
Polycom systems.
1024-65535
Dynamic UDP - RTP (video data). Can be set to “Fixed
Ports” on Polycom systems.
1024-65535
Dynamic UDP - RTP (audio data). Can be set to “Fixed
Ports” on Polycom systems.
1024-65535
Dynamic UDP - RTCP (control information). Can be set to
“Fixed Ports” on Polycom systems.