Patent ID: 6249575
Filing Date: 2001-06-19
Classification: H04L,H04M

Abstract:
A centrally administered telephony security system for controlling and logging access between an enterprise's end-user stations at a plurality of customer sites and their respective circuits into the public switched telephone network (PSTN), comprising:a centrally administered database containing security rules for each of the extensions, the rules specifying actions to be taken based upon at least one attribute of the call on the extension, wherein at least one attribute is determined at the customer sites; anda line sensor within the customer sites for determining a call type of the call, for periodically determining the at least one attribute during each call and for performing actions on selected calls based upon the at least one attribute of the call, in accordance with the security rules and wherein the line sensor senses both incoming and outgoing calls and wherein the line sensor does not interrupt the call unless the action specified is to interrupt the call.