Patent ID: 8849250

Claim:
A communication management system which manages talks and communications performed via a communication network, the system comprising: a communication history information memory device which stores history information of the talks and communications by each talk and communication partner user; a condition information memory device which stores a reliability rule that is a basis for judging a reliability relationship of the talks and communications; a communication admissible list generating device which judges whether or not the partner user is reliable enough based on the history information of the talks and communications stored in the communication history information memory device and the reliability rule stored in the condition information memory device, and generates a list with a valid time limit; and a communication admissible list memory device which stores the list generated by the communication admissible list generating device, and provides the list in response to an inquiry that is made when performing the talk and communication with the partner user, wherein the communication admissible list generating device revives a deleted list of the user as the target of the talks and communications based on an explicit instruction from the user of the talks and communications.