H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 29/06 (2006.01) H04M 3/22 (2006.01) H04M 7/00 (2006.01) H04M 3/42 (2006.01)
Patent
CA 2326246
Methods and systems for Internet protocol (IP) network surveillance are provided. In order to perform IP network surveillance, an authentication server associated with an end user device determines whether the end user device is under surveillance. If the authentication server determines that the end user device is under surveillance; the authentication server notifies a proxy server. The proxy server copies call signaling information directed to or transmitted from the end user device and forwards the call signaling information to a recording device. The proxy server can also extract media stream identification and decoding information from the call signaling information and forward the media stream identification and decoding information to an edge router. The edge router can use the media stream identification information to copy the media stream directed to or transmitted from the end user device. The edge router can forward the copied media stream to the recording device along with the media stream decoding information.
Nortel Networks Limited
Smart & Biggar
LandOfFree
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