×

System and method for bringing an in-line device on-line and assuming control of calls

  • US 6,687,353 B1
  • Filed: 09/28/2000
  • Issued: 02/03/2004
  • Est. Priority Date: 12/11/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A telephony security system for controlling and logging call access between an enterprise'"'"'send-user stations at a plurality of customer sites and their respective circuits into the public switched telephone network (PSTN), comprising:

  • a discrete line sensor within the customer sites for determining a call type of the call, wherein said discrete line sensor does not interfere with existing communications;

    a public branch exchange (PBX) within the customer sites connected to the line sensor;

    a central office switch connected to said discrete line sensor and the PBX; and

    a firewall management server connected to said discrete line sensor.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×