| 主权项 |
1. A computer-implemented method for processing a request to place a call, the method comprising:
receiving, by a mobile device, a request to call a phone number, the mobile device including a plurality of subscriber identification module (SIM) cards, each of the plurality of SIM cards including information for accessing a network of a different service provider; automatically selecting, by the mobile device prior to placing the call to the phone number based on the request, a SIM card from the plurality of SIM cards that includes information for accessing a network of a service provider of the phone number, the service provider of the phone number determined based on service provider information received from a service mapping server for the phone number; and placing, by the mobile device, the call to the phone number using the information stored on the selected SIM card to directly access the network of the service provider of the phone number. |
