The present invention discloses a method of implementing traversal of multimedia protocols through Network Address Translation device, wherein the Network Address Translation (NAT) device establishes a mapping relationship between address of a terminal in a private network and address of a terminal in...http://www.google.de/patents/US20100189108?utm_source=gb-gplus-sharePatent US20100189108 - Method of implementing traversal of multimedia protocols through network address translation device
