Patent ID: 9042375
Filing Date: 2015-05-26
Classification: H04L

Abstract:
1. A method of client routing in a peer-to-peer (“P2P”) overlay network, the method comprising: requesting communication with a client by a first peer in the P2P overlay network, wherein the first peer is directed to a second peer to which the client is registered in the P2P network; determining that the client is not attached to the second peer in the P2P overlay network and the client has access to a network, wherein the network is a non-P2P network; providing the first peer with the client's location in the P2P overlay network using at least the network, wherein the client's location is associated with a third peer to which the client is attached in the P2P overlay network; and using the client's location to communicate with the client by the first peer in the P2P overlay network, wherein providing the first peer with the client's location in the P2P overlay network using at least the network further comprises: wherein the network is an Internet protocol multimedia subsystem (“IMS”) network, and the reply message is provided using a session initiation protocol (“SIP”) in the IMS network, a peer-to-peer session initiation protocol (“P2PSIP”) in the P2P overlay network or both.