×

Recording of automatic number identification to identify lost customers

  • US 5,282,243 A
  • Filed: 11/06/1992
  • Issued: 01/25/1994
  • Est. Priority Date: 07/03/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. Apparatus for providing a telecommunications network service when a calling party'"'"'s telephone call to a called party is blocked, the apparatus comprising:

  • a telecommunications network comprising an originating stored-program-control switch, a terminating stored-program-control switch, and a data base means for storing information that represents when the called party is a subscriber to the telecommunications network service, where the calling party'"'"'s telephone call enters the telecommunications network at the originating switch, and the terminating switch provides a number of telecommunications facilities to telephone equipment of the called party and provides a busy message to the originating switch if all of the number of telecommunications facilities are busy; and

    processing means coupled to the originating switch for receiving the calling party telephone call and for recording a calling party call back telephone number whereby the telecommunication network service identifies the calling party whose telephone call to the called party is blocked;

    where the originating switch is responsive to the busy message from the terminating switch and accesses the data base means through a facility of the telecommunications network to determine when the called party is a subscriber to the telecommunications network service and, when it is, routes the calling party telephone call to the processing means in such a way that the calling party telephone call does not pass through the terminating switch.

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