Patent ID: 7801113
Filing Date: 2010-09-21
Classification: H04L,H04M

Abstract:
1. A data processing system which sets up communications between at least one communication terminal of a calling user and at least one communication terminal of at least one called user, such terminals being each connected to a communications network; said data processing system comprises: storage means for storing information data indicative of at least one communication address of a communication terminal of the calling user, and an accessibility status of said calling user through said terminal; interfacing means which allows said calling user to request the setting-up of a communication with said at least one called user; and management means dedicated to the calling user and performing the functions of: wherein the negotiation comprises determining terminals according to the information in the respective memorization means of the data processing systems dedicated respectively to the calling user and the called user, and wherein the data processing system dedicated to the calling user is in a first private network, wherein the other data processing system dedicated to the called user is in a second private network, and wherein the first and second private networks are different.