Call routing method and apparatus

A telecommunications chip card for carrying personalization data for connection to at least a mobile telecommunications network, said telecommunications chip card further comprising:

• a telephone number receiving device, said telephone number receiving device begin adapted for-receiving a dialed telephone number from a first wireless terminal coupled to a first network, wherein said first wireless terminal is adapted for initiating a call between said first wireless terminal and a second wireless terminal, wherein said dialed telephone number belongs to said second wireless terminal;
• a geographic location discovery device, said geographic location discovery device being adapted for obtaining a geographic location of said first wireless terminal by reading of the regional location stored in the telecommunications chip card;
• a look up-table, said look-up table having an access point address according to said geographic location, wherein said look-up table is stored in said telecommunications chip card, wherein said access point address belongs to an access point coupled to a second network and within said geographic location, wherein said second network is coupled to said first network;
• a connection device, said connection device being adapted for initiating a connection with said access point;
• a transmission device, said transmission device being adapted for sending said dialed telephone number to said access point for establishing connection through a third network between said first wireless terminal and a second wireless terminal having said dialed telephone number;
• a bridging connection device, said bridging connection device being adapted for connecting said call between said first and said second wireless terminal;
• wherein the telecommunications chip card is a subscriber identity module or a universal subscriber identity module.