Patent ID: 7953215
Filing Date: 2011-05-31
Classification: H04L,H04M,H04W

Abstract:
1. An address information-exchange system comprising: a first communication terminal device configured to transmit a change notification indicating that profile information registered with the first communication terminal device is changed, the change notification including changed profile information; a second communication terminal device configured to register address information of the first communication terminal device, receive the change notification, and change the address information on the basis of the changed profile information included in the change notification to transmit a response notification relating to changing of the address information; and a server apparatus configured to receive the change notification sent by the first communication terminal device, transmit the change notification to the second communication terminal device, receive the response notification sent by the second communication terminal device, and transmit the response notification to the first communication terminal device, wherein the changed profile information is for changing the address information of the first communication terminal device, the address information being registered with the second communication terminal device, and wherein the first communication terminal device converts the changed profile information into a text-mail format in case where the first communication terminal device does not receive the response notification from the second communication terminal device after transmission of the change notification, and transmits the changed profile information after conversion.