Patent ID: 8880612
Filing Date: 2014-11-04
Classification: H04L,H04W

Abstract:
1. A method of two-way communication comprising: at a device proxy that communicates with a mobile device and with a plurality of instant messaging (IM) systems and that provides cross-platform IM functionality for at least the mobile device, registering with the plurality of IM systems on behalf of a user of the mobile device according to respective IM protocols of the plurality of IM systems, so that IM messages thereafter destined to the user from any one of the IM systems will be routed to an address of the device proxy for transmission in turn from the device proxy to the user, wherein at the time of registering with the plurality of IM systems on behalf of the user, information reflecting presence of the user is provided to each of the IM systems; at the device proxy, receiving a first IM message from a sender via a first IM system of the plurality of IM systems; at the device proxy, determining that the first IM message is directed to the user; and if the mobile device is currently available to receive a message, sending a payload of the first IM message according to a mobile system protocol from the device proxy to the mobile device.