×

Telecommunications custom calling services

  • US 6,014,379 A
  • Filed: 11/09/1996
  • Issued: 01/11/2000
  • Est. Priority Date: 06/26/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for using a first telecommunications network including trunked together switching systems maintained and operated by a first telecommunications entity for selectively establishing a connection between a first station connected to a first one of said switching systems in said first telecommunications network and a second station associated with a second switching system in said first telecommunications network but connected to a third switching system maintained and operated by a second telecommunications entity, comprising the steps of:

  • a) storing in a database connected to a public wide area data network not maintained and operated by said first telecommunications entity, a table of information for call routing through said first telecommunications network, said table comprising entries relating to subscribers to at least said first telecommunications network;

    b) setting in said second switching system a trigger for initiating call set-up signaling;

    c) receiving from said first station call initiation characters identifying said second station;

    d) responsive to receipt of said characters in said receiving step, transmitting a signal corresponding to said characters to said second switching system;

    e) responsive to receipt of said second switching system, formulating a first data message;

    f) transmitting said first data message from said second switching system to an interface between said first telecommunications network and said public wide area data network;

    g) responsive to receipt of said first data message by said interface, formulating a second data message containing said identification characters as data;

    h) transmitting said second data message to said database;

    i) returning from said database to said interface a response message including routing information derived from said database for routing the call to said second station;

    j) responsive to receipt of said response message by said interface, formulating a third data message including said routing information;

    k) transmitting said third data message from said interface to said first telecommunications network; and

    l) responsive to receipt of said third data message routing said initiated call.

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