Abstract: An image sharing system includes: a server apparatus; first and second client apparatuses, which are communicably connected with the server apparatus; first and second telephone terminals associated with the first and second client apparatuses respectively; a connection control apparatus for controlling the connection between the first telephone terminal and the second telephone terminal; and a communication terminal including a camera part for photographing a subject, and an image sending part for sending image data representing the image outputted from the camera part, wherein the server apparatus includes a share-image sending part for sending an image represented by image data sent from the communication terminal as a share image to both the first and the second client apparatuses when the first telephone terminal is connected with the second telephone terminal, and both the first and the second client apparatuses include a share-image display part for displaying the share image.

Abstract: A message relay server includes; a call state control section configured to acquire a call state data which contains identification data of telephones, which perform a speech communication call, of a plurality of telephones from a line switching server which controls the speech communication call; a call state storage section configured to store the call state data for every the speech communication call; a message relay section configured to receive a message which includes the identification data of a first telephone of the plurality of telephones, from a first client terminal of the plurality of client terminals in cooperation with the first telephone, and specify a second telephone which performs the speech communication with the first telephone based on the identification data of the first telephone which is contained in the message and the call state data; and a message storage section configured to store the message and an identification data of the second telephone which are related to each other.

Abstract: An image sharing system includes: a server apparatus; first and second client apparatuses, which are communicably connected with the server apparatus; first and second telephone terminals associated with the first and second client apparatuses respectively; a connection control apparatus for controlling the connection between the first telephone terminal and the second telephone terminal; and a communication terminal including a camera part for photographing a subject, and an image sending part for sending image data representing the image outputted from the camera part, wherein the server apparatus includes a share-image sending part for sending an image represented by image data sent from the communication terminal as a share image to both the first and the second client apparatuses when the first telephone terminal is connected with the second telephone terminal, and both the first and the second client apparatuses include a share-image display part for displaying the share image.