Patent ID: 7996543
Filing Date: 2011-08-09
Classification: H04L

Abstract:
1. A method for establishing a data packet exchange communication session that allows the exchange of data packets between an originating client and a destination client in a data network having a client-server arrangement, the method comprising: receiving, at a communications management server, a communications session request data message transmitted through a first network firewall using a first temporary signaling communications path in the first network firewall from an originating client residing behind the first network firewall, said communications session request data message containing at least said unique network address of a destination client not residing behind the first network firewall; upon receiving said communications session request data message, said communications management server determining that said originating client is residing behind the first network firewall, and determining whether said first network firewall will allow exchange of media data packets between said originating client and any other client not residing behind said first network firewall; and if it is determined by the communications management server that the first network firewall will allow the direct bi-directional exchange of media data packets between said originating client and any other client not residing behind the first network firewall, the communications management server performing the steps of: otherwise, the communications management server performing the step of: