H.460 is a series of extensions to the

H.323 H.323 is a recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication sessions on any packet network. The H.323 standard addresses call signaling and control, m ...

videoconferencing standard from the ITU. Introduced in 2005, several of the extensions, including H.460.17, H.460.18 and H.460.19, deal with

firewall Firewall may refer to: * Firewall (computing), a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts * Firewall (construction), a barrier inside a building, designed to limit the spre ...

and

NAT traversal Network address translation traversal is a computer networking technique of establishing and maintaining Internet protocol connections across gateways that implement network address translation (NAT). NAT traversal techniques are required for m ...

. For example, they enable end points to communicate with each other without the need of intermediate nodes.

References

{{reflist Teleconferencing