Middlebury

Confirmed Videoconferencing Firewall Ports

See also: Advanced Topics in Videoconferencing

This is a list of confirmed ports that videoconferencing equipment uses.

Polycom

Port Protocol Description Direction

1503 TCP T.120 - Data sharing Inbound and outbound

1718 UDP Gatekeeper discovery Inbound and outbound

1719 UDP Gatekeeper RAS Inbound and outbound

1720 TCP H.323 - call setup Inbound and outbound

1731 TCP Audio call control Inbound and outbound

3231-3236 TCP (Dynamic) Default fixed ports Inbound and outbound

3231-3236 UDP (Dynamic) Default fixed ports Inbound and outbound

5001 TCP Content Inbound and outbound

5060 TCP and UDP SIP - call setup Inbound and outbound

16384 & 16386 TCP and UDP Multicast Streaming ports for audio & video ?

1024-65535 TCP (Dynamic) H.245 - call control Inbound and outbound

1024-65535 UDP (Dynamic) RTP - video data Inbound and outbound

1024-65535 UDP (Dynamic) RTP - audio data Inbound and outbound

1024-65535 UDP (Dynamic) RTCP - control data Inbound and outbound

LifeSize

  • Same as above
  • TCP port 5061 (for TLS signaling in SIP calls if TLS signaling is enabled)
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