Patent ID: 8165090
Filing Date: 2012-04-24
Classification: H04L,H04W

Abstract:
1. A method of conducting a media session between a mobile device and a corresponding node, the method comprising in combination: the mobile device using a first internet protocol (IP) address to send a first media stream, wherein the first media stream includes a first source internet protocol address and port (IP:port) number and a destination IP:port number, and wherein the destination IP:port number includes a publicly routable address; the corresponding node receiving the first media stream and sending a second media stream to the mobile device using a second source IP:port number; the mobile device acquiring a second IP address before the first media stream ends; the mobile device using a third source IP:port number to send a third media stream to the destination IP:port number; the corresponding node receiving the third media stream, wherein the third media stream received by the corresponding node includes a fourth source IP:port number; the corresponding node sending from the second source IP:port number a fourth media stream to the fourth source IP:port number; the mobile device receiving at the third source IP:port number the fourth media stream; and the mobile device begins sending the third media stream before the first media stream ends, wherein the mobile device monitors both (i) the first source IP:port number for receipt of the second media stream and (ii) the third source IP:port number for receipt of the fourth media stream, while sending both the first and third media streams.