Automatic selection of SIM card for multi-SIM mobile devices

1. A method for processing a request to place a call on a mobile device, the method comprising:

receiving, by a mobile device, a request to call a phone number, the mobile device storing identifying information of subscribers, each subscriber associated with a mobile telecommunications service provider;

determining, by the mobile device, a mobile telecommunications service provider of the phone number based on service provider information received for the phone number from a service mapping server;

retrieving, by the mobile device, stored identifying information of a subscriber associated with the determined service provider, the retrieved information for accessing a network of the determined service provider; and

placing, by the mobile device, the call to the phone number using the retrieved information to directly access the network of the determined service provider.

2. The method of claim 1 , wherein the mobile telecommunications service provider is automatically determined responsive to an automatic selection feature being enabled.

3. The method of claim 1 , wherein the mobile telecommunications service provider of the phone number is automatically determined responsive to an automatic SIM card selection feature being activated for the phone number.

4. The method of claim 1 , further comprising:

receiving a request to add the phone number for a contact;

communicating with the service mapping server to obtain the service provider information of the phone number, the service provider information indicating the mobile telecommunications service provider of the phone number; and

storing the phone number and the service provider information.

5. The method of claim 1 , wherein the service provider information is obtained from the service mapping server for the phone number responsive to receiving the request to call the phone number.

6. A computer program product having a non-transitory computer-readable storage medium having computer-executable instructions for processing a request to place a call, the computer-executable instructions configured to control a mobile device to perform operations comprising:

receiving, by the mobile device, a request to call a phone number, the mobile device storing identifying information of subscribers, each subscriber associated with a mobile telecommunications service provider;

determining, by the mobile device, a mobile telecommunications service provider of the phone number based on service provider information received for the phone number from a service mapping server;

retrieving, by the mobile device, stored identifying information of a subscriber associated with the determined service provider, the retrieved information for accessing a network of the determined service provider; and

placing, by the mobile device, the call to the phone number using the retrieved information to directly access the network of the determined service provider.

7. The computer program product of claim 6 , wherein the mobile telecommunications service provider is automatically determined responsive to an automatic selection feature being enabled.

8. The computer program product of claim 6 , wherein the mobile telecommunications service provider of the phone number is automatically determined responsive to an automatic SIM card selection feature being activated for the phone number.

9. The computer program product of claim 6 , further comprising:

receiving a request to add the phone number for a contact;

communicating with the service mapping server to obtain the service provider information of the phone number, the service provider information indicating the mobile telecommunications service provider of the phone number; and

storing the phone number and the service provider information.

10. The computer program product of claim 6 , wherein the service provider information is obtained from the service mapping server for the phone number responsive to receiving the request to call the phone number.

11. A mobile device for processing a request to place a call, the mobile device comprising:

a processor; and

a non-transitory computer-readable storage medium storing computer-executable instructions that when executed by the processor are configured to cause the mobile device to perform operations comprising:

storing identifying information of subscribers, each subscriber associated with a mobile telecommunications service provider;

receiving a request to call a phone number;

determining a mobile telecommunications service provider of the phone number based on service provider information received for the phone number from a service mapping server;

retrieving stored identifying information of a subscriber associated with the determined service provider, the retrieved information for accessing a network of the determined service provider; and

placing the call to the phone number using the retrieved information to directly access the network of the determined service provider.

12. The mobile device of claim 11 , wherein the mobile telecommunications service provider is automatically determined responsive to an automatic selection feature being enabled.

13. The mobile device of claim 11 , wherein the mobile telecommunications service provider of the phone number is automatically determined responsive to an automatic SIM card selection feature being activated for the phone number.

14. The mobile device of claim 11 , further comprising:

receiving a request to add the phone number for a contact;

communicating with the service mapping server to obtain the service provider information of the phone number, the service provider information indicating the mobile telecommunications service provider of the phone number; and

storing the phone number and the service provider information.

15. The mobile device of claim 11 , wherein the service provider information is obtained from the service mapping server for the phone number responsive to receiving the request to call the phone number.