Information e.g. SMS, transmission system for mobile telephone, has main network receiving message from one operator and transforming routing address of message according to look-up-table

摘要

The system has a main network (C) connected to network operators (A, B) through a data exchange line. The main network receives a message from the operator (B), transforms a routing address of the message based on a look-up-table and sends the message via an international network to the operator (A). The operator (A) updates a home location register and re-transmits information relative to a mobile telephone towards the operator (B).