Patent ID: 8305980

Claim:
A method for supporting a handover of a media session using a server, the method comprising the server: receiving a message that includes a first Internet Protocol address and port (IP:port) number, wherein the first IP:port number includes an IP address, wherein the message is received after the media session begins, and wherein media in the media session does not route through the server before the handover; using a second IP:port number to receive a first media stream; sending a second media stream from a third IP:port number to the first IP:port port number, which second media stream includes at least a portion of the first media stream; receiving at the third IP:port number a third media stream from the IP address, wherein the server starts receiving the third media stream after the server starts sending the second media stream; sending a fourth media stream from the second IP:port number, which fourth media stream includes at least a portion of the third media stream; and, receiving an authentication message, and, after receiving the authentication message, sending at least one packet in the second media stream.