×

Method and system for providing an automatic customer callback service

  • US 5,425,091 A
  • Filed: 02/28/1994
  • Issued: 06/13/1995
  • Est. Priority Date: 02/28/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. For use in Advanced Intelligent Network (AIN) having(a) a Central Office switch (COS) which is adapted to recognize an AIN T-busy trigger and is further provided in electrical communication with a Service Control Point (SCP) via Transaction Capability Application Part (TCAP) signalling protocol,(b) at least one calling party,(c) at least one called party, and(d) at least one end office provided in electrical communication with said at least one calling party,a method for providing an Automatic Customer Callback (ACC) Service, comprising:

  • providing an adjunct processor in electrical communication with said COS;

    collecting dialed digits and the calling party telephone number at said at least one end office through a Calling Party Identification (CPI) field in an ISDN User Part (ISUP) Initial Address Message (IAM);

    monitoring said communications between said COS and said at least one calling party and said at least one called party to detect said T-busy trigger;

    suspending normal call handling upon detection of said T-busy trigger and generating a corresponding first electrical signal for receipt by said SCP requesting further call processing instructions;

    analyzing said collected digits to determine if said called party is an ACC service subscriber;

    generating a second electrical signal for receipt by said COS indicating whether said ACC service may be activated;

    providing to said adjunct processor said collected digits and said calling party telephone number if said ACC service is activated;

    monitoring said subscriber telephone line to detect an idle condition;

    originating a call from said adjunct processor to said subscriber upon detection of said idle condition; and

    playing a message at said adjunct processor for receipt by said subscriber, whereupon said subscriber will be advised of the need to call back a calling party who has activated the ACC service.

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