Patent ID: 8037531

Claim:
An integrated switching system, comprising: a switch comprising: a Voice over Internet Protocol (VoIP) signaling processing module to perform a VoIP signaling process on VoIP calls to set and cancel the VoIP calls; and a VoIP media processing module to transmit and receive a VoIP media packet through the VoIP signaling; and a router coupled to the switch, the router comprising: a VoIP Gateway module to obtain Real-time Transport Protocol (RTP) Internet Protocol (IP)/Port information for a corresponding VoIP call from a VoIP call setup message according to processing signaling for VoIP call setup of the VoIP signaling processing module by interworking with the VoIP signaling processing module, and to provide the obtained RTP IP/Port information for a VoIP media packet having the same RTP IP/Port as the obtained RTP IP/Port information as information for skipping intrusion detection; and an intrusion detection module to store the obtained RTP IP/Port information provided from the VoIP Gateway module, and to provide the received VoIP media packet to the VoIP media processing module without performing intrusion detection on the VoIP media packet when a VoIP media packet having the same RTP IP/Port information as the stored RTP IP/Port information is received.