Patent ID: 9124645
Filing Date: 2015-09-01
Classification: H04L

Abstract:
1. An instant messaging system comprising: at least one instant messaging service server configured to deliver instant messaging services to mobile terminals connected to the at least one instant messaging service server and to which users of the mobile terminals have opened an instant messaging session; and a virtual presence server operating independently of the at least one instant messaging service server, the virtual presence server being connected to a mobile client terminal and to one or more of the at least one instant messaging service server in such a way that all instant messaging information sent between the mobile client terminal and the at least one instant messaging service server transits via the virtual presence server, wherein the virtual presence server automatically continues and manages an instant messaging session in place of a user of the mobile client terminal such that the at least one instant messaging service server does not detect an end of session with the user of the mobile client terminal, the automatic management being activated when the connection between the mobile client terminal and the virtual presence server is cut off without the mobile client terminal having transmitted a closing request, and wherein automatically managing includes storing messages from the one or more of the at least one instant messaging service server.