Patent 7761517 was granted and assigned to Nippon Telegraph and Telephone on July, 2010 by the United States Patent and Trademark Office.
An address notification device is provided with: a link information list storage part 106 for storing link information list composed of link information including an own address, an address of a communicating party, and process information about processing of communication information to be communicated between the own address and the communicating party address; a change information registration part 132 for adding the link information selected by a link information select part 130 with change information representing the content of the change; a link change information sending part 136 for sending link change information representing a change of the link information to a destination indicated by the communicating party address contained in the link information added with the change information; and a link information change part 138 for changing the link information on the basis of the change information added thereto in response to response information sent from the communicating party in response to the sending thereto of the link change information.