In an approach to caller ID verification by digital signature, a computing device receives authenticating information associated with a caller. The computing device creates a call record based on the authenticating information. The computing device retrieves additional information associated with the caller. The computing device updates the call record based on the additional information. The computing device retrieves a digital signature associated with the caller. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information. The computing device updates the call record based on the digital signature assessment. The computing device adds timestamp information to the call record. The computing device receives a request from a call recipient device. The computing device communicates information based on the call record to the call recipient device. The computing device marks the call record as expired.

In an approach to caller ID verification by digital signature, a computing device receives authenticating information associated with a caller. The computing device creates a call record based on the authenticating information. The computing device retrieves additional information associated with the caller. The computing device updates the call record based on the additional information. The computing device retrieves a digital signature associated with the caller. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information. The computing device updates the call record based on the digital signature assessment. The computing device adds timestamp information to the call record. The computing device receives a request from a call recipient device. The computing device communicates information based on the call record to the call recipient device. The computing device marks the call record as expired.

In an approach to caller ID verification by digital signature, a computing device receives authenticating information associated with a caller. The computing device creates a call record based on the authenticating information. The computing device retrieves additional information associated with the caller. The computing device updates the call record based on the additional information. The computing device retrieves a digital signature associated with the caller. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information. The computing device updates the call record based on the digital signature assessment. The computing device adds timestamp information to the call record. The computing device receives a request from a call recipient device. The computing device communicates information based on the call record to the call recipient device. The computing device marks the call record as expired.

In an approach to caller ID verification by digital signature, a computing device receives authenticating information associated with a caller. The computing device creates a call record based on the authenticating information. The computing device retrieves additional information associated with the caller. The computing device updates the call record based on the additional information. The computing device retrieves a digital signature associated with the caller. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information. The computing device updates the call record based on the digital signature assessment. The computing device adds timestamp information to the call record. The computing device receives a request from a call recipient device. The computing device communicates information based on the call record to the call recipient device. The computing device marks the call record as expired.

In an approach to caller ID verification by digital signature, a computing device receives authenticating information associated with a caller. The computing device creates a call record based on the authenticating information. The computing device retrieves additional information associated with the caller. The computing device updates the call record based on the additional information. The computing device retrieves a digital signature associated with the caller. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information. The computing device updates the call record based on the digital signature assessment. The computing device adds timestamp information to the call record. The computing device receives a request from a call recipient device. The computing device communicates information based on the call record to the call recipient device. The computing device marks the call record as expired.

In an approach to caller ID verification by digital signature, a computing device receives caller ID and URL information associated with a call. The computing device retrieves a digital signature based on the URL. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information in order to ascertain the validity of the caller ID information. The computing device performs one or more actions based on the digital signature assessment.

A method and apparatus for easily restricting a use right and improving use convenience in a mobile terminal are provided. The method includes displaying a profile list for selecting a set operation mode of the mobile terminal from the displayed profile list; setting an operation mode of the mobile terminal as the selected operation mode, when the set operation mode is selected from the displayed profile list,; and displaying a screen associated with the selected operation mode, wherein the set operation mode includes an open mode to use all functions of the mobile terminal and a limited mode to use only set functions.

In an approach to caller ID verification by digital signature, a computing device receives caller ID and URL information associated with a call. The computing device retrieves a digital signature based on the URL. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information in order to ascertain the validity of the caller ID information. The computing device performs one or more actions based on the digital signature assessment.

In an approach to caller ID verification by digital signature, a computing device receives authenticating information associated with a caller. The computing device creates a call record based on the authenticating information. The computing device retrieves additional information associated with the caller. The computing device updates the call record based on the additional information. The computing device retrieves a digital signature associated with the caller. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information. The computing device updates the call record based on the digital signature assessment. The computing device adds timestamp information to the call record. The computing device receives a request from a call recipient device. The computing device communicates information based on the call record to the call recipient device. The computing device marks the call record as expired.

In an approach to caller ID verification by digital signature, a computing device receives authenticating information associated with a caller. The computing device creates a call record based on the authenticating information. The computing device retrieves additional information associated with the caller. The computing device updates the call record based on the additional information. The computing device retrieves a digital signature associated with the caller. The computing device retrieves public key information associated with the caller. The computing device performs a digital signature assessment based on the public key information. The computing device updates the call record based on the digital signature assessment. The computing device adds timestamp information to the call record. The computing device receives a request from a call recipient device. The computing device communicates information based on the call record to the call recipient device. The computing device marks the call record as expired.