Patent ID: 6381220
Filing Date: 2002-04-30
Classification: H04L,H04M

Abstract:
A method of monitoring IP voice calls of an IP target telephone station over a public IP communication link, comprising the steps of:installing WatchDog programming at an IP Address-Mapping Check Point (IP-AMCP) located within a public IP communication network; programming a gateway terminal connected to a line end communication terminal to connect to and awake the WatchDog program in response to activity of the IP target telephone station; transmitting a softkey security code from a monitoring station to the gateway terminal to the IP-AMCP for instructing the Watchdog to monitor calls of the IP target telephone station; having the WatchDog activate the IP-AMCP to replicate voice packets of the call of the IP target telephone station; and transmitting the replicated voice calls from the IP-AMCP to the gateway terminal.