12. An apparatus for managing conversational content associated with a contact in a terminal, the apparatus comprising: a prompting unit configured to: generate an incorporation prompting message, when a corresponding number of the contact is deleted or replaced, and output the generated incorporation prompting message; an instruction receiving unit configured to receive an incorporating instruction for performing an incorporation after the incorporation prompting message is outputted by the prompting unit; a management unit configured to process conversational information associated with the corresponding number of the contact before the corresponding number is deleted or replaced such that a conversational message associated with the corresponding number before the corresponding number is deleted or replaced is included in the conversational content associated with the contact, when the incorporating instruction is received by the instruction receiving unit; and a display unit configured to display the conversational content with the contact.
12. An apparatus for managing conversational content associated with a contact in a terminal, the apparatus comprising: a prompting unit configured to: generate an incorporation prompting message, when a corresponding number of the contact is deleted or replaced, and output the generated incorporation prompting message; an instruction receiving unit configured to receive an incorporating instruction for performing an incorporation after the incorporation prompting message is outputted by the prompting unit; a management unit configured to process conversational information associated with the corresponding number of the contact before the corresponding number is deleted or replaced such that a conversational message associated with the corresponding number before the corresponding number is deleted or replaced is included in the conversational content associated with the contact, when the incorporating instruction is received by the instruction receiving unit; and a display unit configured to display the conversational content with the contact. 14. The apparatus of claim 12 , wherein the prompting unit is further configured to: generate a notification message for informing a user that the corresponding number is deleted from the contact or is replaced, and output the generated notification message when the conversational content associated with at least one of the contacts having a number that is deleted or replaced, and wherein the corresponding number which is deleted or replaced and the new contact to which the deleted or replaced number belongs is displayed by the display unit.