Patent ID: 8295446

Claim:
A method practiced in data processing apparatus for monitoring and recording telephone calls, the method comprising in said data processing apparatus: generating high quality digital electronic voice signals representative of voice signals present on a telephone call, monitoring said high quality electronic digital voice signals for the presence of particular predetermined words or phrases, said predetermined words or phrases from a call participant-specific word profile, said monitoring including flagging selected ones of said digital voice signals thereby to generate flagged electronic digital voice signals, temporarily storing said high quality electronic digital voice signals, including said flagged electronic digital voice signals, in a first state memory apparatus, wherein said signals are only stored for a specified short term storage period, at the expiration of the specified short term storage period, compressing said electronic digital voice signals to form compressed electronic voice signals and storing said electronic compressed voice signals for long-term storage in a second memory apparatus, indexing said stored electronic compressed voice signals, selectively retrieving said stored electronic compressed voice signals, monitoring said selectively retrieved stored electronic compressed voice signals at one or more monitoring stations, and monitoring on a priority basis selected ones of said flagged electronic digital voice signals at said one or more monitoring stations.