Method for storing on a computer network a portion of a communication session between a packet source and a packet destination

Storing at least a portion of a computer network-based session such as a telephone session being performed on a computer network between a packet source and a packet destination, in which the following can occur in an embodiment of the invention. Data packets are received on the computer network. Each data packet is filtered to determine if said data packet is a session packet. If the data packet is a session packet, it is filtered to determine if the data includes session data. If the data includes session data, the session data is analyzed. The session packet is stored such that the stored session packet comprises a portion of the telephone session.