| 摘要 |
PROBLEM TO BE SOLVED: To allow for reception of an incoming call, even if a browser is not always activated, in a communication system where a user performs media communication by using the browser.SOLUTION: In a communication system having a communication control server, an incoming control server, and an operation information provision server, the incoming control server transmits an incoming notification to an incoming user terminal, i.e., the destination of a connection request, in response to reception of the connection request from the origination user terminal, the operation information provision server transmits the operation information to the incoming user terminal, based on a request from the incoming user terminal received the incoming notification, and makes the incoming user terminal transmit and receive a control signal for media communication between the origination user terminal.SELECTED DRAWING: Figure 10 |
