Patent ID: 6993015
Filing Date: 2006-01-31
Classification: H04L

Abstract:
1. A communication terminal apparatus for allowing data which is transmitted to and received from another communication terminal apparatus through a packet network to be monitored by a communication intercepting apparatus connected to said packet network, said communication terminal apparatus comprising: communication control means for controlling communication by said communication terminal apparatus with said another communication terminal apparatus and with said communication intercepting apparatus; monitor request recognizing means for recognizing reception of a monitor request signal from said communication intercepting apparatus while said communication terminal apparatus is busy communicating with said another communication terminal apparatus; and monitoring data generating means for, in the case where said monitor request recognizing means recognizes the reception of said monitor request signal, generating monitoring data including communication data which is transmitted to said another communication terminal apparatus and communication data received from said another communication terminal apparatus and sending said monitoring data to said communication control means for transmission to said communication intercepting apparatus, wherein said communication control means also controls the reception of a call connection request signal which is transmitted by said communication intercepting apparatus for determining whether said communication terminal apparatus is busy communicating with said another communication terminal apparatus.