Name: draft-rosenberg-sipping-nat-scenarios-03
Title: Examples of Network Address Translation (NAT) and Firewall Traversal for the Session Initiation Protocol (SIP)
State: Active
Authors: Jonathan Rosenberg
Group: Individual Submissions (none)
Date: 2004-07-20
This document contains a set of examples about how to establish sessions
through Network Address Translators (NATs) using the Session Initiation
Protocol (SIP). NAT traversal for SIP is accomplished using Interactive
Connectivity Establishment (ICE), which allows the media streams to work,
in addition to the SIP extension for symmetric response routing, which
allows SIP itself to flow through NAT. The examples cover a range of
network topologies and use cases. This variability helps to demonstrate
that the ICE methodology always works, and that a common client algorithm,
independent of the network topology and deployment configuration, results
in the best connectivity.
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