Polycom VSX 3000

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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.