New STUN server acts as filter in front of SIP proxy on the public Internet.
Snom Technology has introduced 4S Nat Filter, a software based SIP NAT traversal solution that supports audio and video calls, instant messaging, presence, and online gaming. The technology employs Interactive Communication Establishment for routing and features a STUN server that enables phones to detect the nearest NAT filter.
The filters are deployed in front of a SIP proxy and operate on the public Internet.4S works with multiple operating systems including Solaris, Linux, and Windows XP.Snom Technology http://www.snom.com
