Patent ID: 7565689
Filing Date: 2009-07-21
Classification: H04L,H04W

Abstract:
1. A method for protecting real-time data exchanged as packets between a mobile electronic device and a VPN gateway during a media session over a communications link that includes a wireless network, including: establishing a first VPN connection between the mobile electronic device and the VPN gateway through the communications link, the first VPN connection using a key-based encryption algorithm to protect data exchanged therethrough; establishing, while the first VPN connection is established, a second VPN connection between the mobile electronic device and the VPN gateway through the communications link, the second VPN connection using a key-based encryption algorithm to protect data exchanged therethrough; exchanging real-time data packets between the mobile electronic device and the VPN gateway through the second VPN connection; providing key information for the second VPN connection to at least one of the mobile electronic device or VPN gateway through the first VPN connection, wherein undated key information for the second VPN connection is provided through the first VPN connection at intervals while the second VPN connection is established.