- Lawful Interception of VoIP Traffic at an Internet Service Provider
Lawful Interception is the intercept of data on a network as authorized by a law enforcement agency. This describes the basic structure as it would be implemented by an internet service provider. - Session Initiation Protocol (SIP) and Deep Packet Inspection (DPI)
For VoIP sessions, DPI of SIP will be important for monitoring call sessions such as session re-negotiation and call forwarding. - T.38 Image Extraction from Captured Network Data
A discussion of image extraction from captured fax transfers using T.38 fax protocols