Disclosed is a computer-readable medium containing program instructions for configuring a first computer so that a first telephony client on the first computer may securely communicate with a second telephony client on a second computer via a communication path. The computer-readable medium includes...http://www.google.fr/patents/US7000106?utm_source=gb-gplus-shareBrevet US7000106 - Methods and apparatus for kernel mode encryption of computer telephony
Methods and apparatus for kernel mode encryption of computer telephony