Abstract: Disclosed is a method for operating and participating in a voice chat room subordinate to a message chat room is disclosed. The method for operating a voice chat room subordinate to a message chat room includes: managing, by a server, messages transmitted and received through the message chat room in which a first user and a second user participate; receiving, by the server, a request for creation of the voice chat room subordinate to the message chat room from the first user; creating, by the server, the voice chat room in response to the received request for creation of the voice chat room; providing, by the server, information that the voice chat room is being operated to the second user through the message chat room; providing, by the server, information that the voice chat room is being operated to the second user through a message chat room list.

Abstract: An application processing method for providing a group video call and a terminal for performing a group video call are disclosed. The application processing method of providing a group video call may include executing a group video call comprising a plurality of participants, based on a number of the participants, displaying views corresponding to the participants by pagination, based on a predetermined action of a first participant whose view is not displayed on a predetermined page of a plurality of pages generated by the pagination, selecting one of participants whose view is displayed on the predetermined page as a second participant, and displaying the views by swapping a position of the view corresponding to the selected second participant and a position of the view corresponding to the first participant.

Abstract: An application processing method for providing a group video call and a terminal for performing a group video call are disclosed. The application processing method of providing a group video call may include executing a group video call comprising a plurality of participants, based on a number of the participants, displaying views corresponding to the participants by pagination, based on a predetermined action of a first participant whose view is not displayed on a predetermined page of a plurality of pages generated by the pagination, selecting one of participants whose view is displayed on the predetermined page as a second participant, and displaying the views by swapping a position of the view corresponding to the selected second participant and a position of the view corresponding to the first participant.

Abstract: A messenger application for a second account related to at least one account in an instant messaging service receives, from a server, a list of at least one first account for which a video is registered and recommends a first account using a list view that shows the list of the at least one first account distinguished from a list of the at least one account.

Abstract: An application processing method for providing a group video call and a terminal for performing a group video call are disclosed. The application processing method of providing a group video call may include executing a group video call comprising a plurality of participants, based on a number of the participants, displaying views corresponding to the participants by pagination, based on a predetermined action of a first participant whose view is not displayed on a predetermined page of a plurality of pages generated by the pagination, selecting one of participants whose view is displayed on the predetermined page as a second participant, and displaying the views by swapping a position of the view corresponding to the selected second participant and a position of the view corresponding to the first participant.

Abstract: Disclosed are a server for providing a profile and a profile providing method performed by the server. A profile providing method performed by a server according to an example embodiment includes adding an interfacing object indicating that a user account is identity-verified to a profile interface of the user account, in accordance with the user account which is identity-verified, providing the profile interface including the interfacing object to another user account, in response to a request of the profile received from another user account, checking whether another user account is identity-verified in response to a request of certificate information of the user account received from another user account, and providing the certificate information to another user account based on whether another user account is identity-verified.

Abstract: A method of displaying a profile view in an instant messaging service includes providing at least one set item applicable to the profile view for the personal account, applying a set item selected by the user from the set item to the profile view, providing an edit view for editing at least one profile item included in the set item applied to the profile view, and displaying a profile view edited through the edit view.

Abstract: A messenger application for a second account related to at least one account in an instant messaging service receives, from a server, a list of at least one first account for which a video is registered and recommends a first account using a list view that shows the list of the at least one first account distinguished from a list of the at least one account.