Patent ID: 8788599
Filing Date: 2014-07-22
Classification: H04L

Abstract:
1. A method, comprising: sending, at a user device, a message addressed to a recipient user device via a first messaging service element; receiving, at said user device, from a messaging system, a notification of failure to deliver the message to the recipient user device; sending, at said user device, said message to the recipient user device via a backup messaging service element based on said notification of failure; and sending, at said user device, a message indicating the failed message need not be delivered offline and has been delivered by another messaging service element, wherein said notification of failure comprises a query from the first messaging service element for said message to be sent via the backup messaging service element when the recipient user device is unavailable, wherein said message sent via the backup messaging service element is a message modified by the first messaging service element, wherein the first message service element does not comprise the backup messaging service element and vice versa, and wherein the modified message comprises a message identifier to identify the message to be resent.