This document will breakdown the port usage of the two models of videoconferencing codecs utilized at Digicast. It will also detail the network configuration used for these devices.
Network Config
All of our videoconferencing codecs are addressed with a public IP stack. These devices are public facing and do not sit behind a firewall. This has been done to facilitate the connection process for our various users.
All peer to peer connections to our codecs is secured with end to end encryption.
H.323/SIP point-to-point
Standards-based: H.235 v2 & v3 and AES
Codec Port usage
Cisco C40
For H.323 connection
- Gatekeeper Discovery (RAS) – Port 1719 – UDP (not necessary for this case as not registering on GK).
- Q.931 call Setup – Port 1720 – TCP
- H.245 – Port Range 5555-6555– TCP
- Video – Port Range 2326-2485 – UDP
- Audio – Port Range 2326-2485 – UDP
- Data/FECC – Port Range – 2326-2485 – UDP
For SiP Connection
- 5060 - UDP & TCP
Cisco SX20
For SiP Connection
- 5060 - UDP & TCP
For H.323:
- Gatekeeper Discovery (RAS): Port 1719 (UDP)
- Q.931 call Setup: Port 1720 (TCP)
- H.245(Static): Port Range 5555-6555 (TCP)
- H.245(Dynamic): Port Range 11000-20999 (TCP)
- Video*: Port Range 2326-2485 (UDP)
- Audio*: Port Range 2326-2485 (UDP)
- Data/FECC*: Port Range 2326-2485 (UDP)