A system for initiating and maintaining a real time audio or video media session between two clients, at least one of which has a private network IP address and is supported by a NAT firewall, comprises a proxy server serving each client and a relay server. The first proxy server may receive an invite...http://www.google.fr/patents/US20050033985?utm_source=gb-gplus-shareBrevet US20050033985 - Firewall penetration system and method for real time media communications
Firewall penetration system and method for real time media communications
Numéro de demande: 10/627,594 Numéro de publication: US 2005/0033985 A1 Date de dépôt: 26 juil. 2003 Brevet délivré: US7257837 ( Date de délivrance 14 août 2007)
