Communication system for establishing a telephone call or a data communication

摘要

A calling side communication apparatus includes a communication function executing means 11, a non-real time call sending means 12 for sending, in accordance with user operation, a non-real time call which is a request of telephone call which continues until a user at the other side responds or until a predetermined cancellation condition is satisfied. A called side communication apparatus includes a communication function executing means 21, a non-real time call receiving means 22 for receiving the non-real time call without entailing forcible ringing, a receiving call displaying means 23 for displaying, to a user, information about the non-real time call currently in the call reception state, and a non-real time call responding means 24 for establishing a telephone call or a data communication with the communication apparatus that sent the non-real time call, in accordance with a response operation given by the user in reply to the non-real time call currently in the call reception state.

主权项

1. A communication system comprising a calling side communication apparatus used by a calling user and a called side communication apparatus used by a called user,
wherein the calling side communication apparatus includes: a communication function executing unit which executes a telephone call or a data communication with a specified communication apparatus; and a non-real time call sending unit which sends, in accordance with user operation, a non-real time call defined as a request of telephone call without entailing forcible ringing and is a request of telephone call which continues until the called user at the other side responds or until a predetermined cancellation condition is satisfied, and the called side communication apparatus includes: a communication function executing unit which executes a telephone call or a data communication with a specified communication apparatus; a non-real time call receiving unit which receives, without entailing forcible ringing, the non-real time call made to the called side communication apparatus; a receiving call displaying unit which displays, to the called user, information about the non-real time call currently in a call reception state; and a non-real time call responding unit which establishes a telephone call or a data communication with the communication apparatus that sent the non-real time call, in accordance with a response operation given by the called user in reply to the non-real time call currently in the call reception state; and wherein the non-real time call sending unit includes a real time presence information sending unit which sends, to the called side communication apparatus, real time presence information, detected by the calling side communication apparatus, which is information representing a state of the calling side communication apparatus or the calling user of the calling side communication apparatus using a degree of certainty that the calling user is in a state ready to make a communication, with predetermined timing while the non-real time call continues, the state detected by the calling side communication apparatus is continuously updated on the called side communication apparatus based on the time elapsed since the calling user manipulated the calling side communication apparatus, the non-real time call receiving unit includes a real time presence information receiving unit which receives the real time presence information about the non-real time call currently in the call reception state, and the receiving call displaying unit displays, to the called user, information including a content of the received real time presence information, as information about the non-real time call currently in the call reception state.