Reverse direction calling system

• US 5,027,387 A
• Filed: 02/26/1990
• Issued: 06/25/1991
• Est. Priority Date: 02/26/1990
• Status: Expired due to Term

• Current Assignee: Edward W. Moll
• Original Assignee: Edward W. Moll
• Inventors: Moll, Edward W.
• Primary Examiner(s): Schreyer, Stafford D.
• Application Number:
  US07/484,370
• Time in Patent Office: 484 Days
• Field of Search: 379/114, 379/115, 379/121, 379/128, 379/201, 379/207, 379/219, 379/225, 379/229, 379/258, 379/112
• US Class Current: 379/115.02
• CPC Class Codes: H04M 15/00 Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
• CPC Class Codes: H04M 15/22 according to time of day
• CPC Class Codes: H04M 15/8044 Least cost routing
• CPC Class Codes: H04M 2215/42 Least cost routing, i.e. provision for selecting the lowest cost tariff
• CPC Class Codes: H04M 2215/745 Least cost routing, e.g. Automatic or manual, call by call or by preselection
• CPC Class Codes: H04M 3/48 Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
• CPC Class Codes: H04Q 2213/13152 Callback
• CPC Class Codes: H04Q 2213/1322 PBX
• CPC Class Codes: H04Q 3/62 for connecting to private branch exchanges

Abstract

Apparatus and methods are provided to connect a call between two parties located at different time zones having different calling costs. The calling costs, which relate to tariffed calling rates, are compared to determine which location has the more economical cost of placing the call. The call is then originated from the location having the lower cost.

Claims

1. In combination with a digital processing system including a data base, a process of deriving information from said data base to connect a call through a telecommunications network from a calling location to a called location having different calling rates, characterized by:

a. retrieving data from said data base relating to the calling rates at said calling and called locations when said call is placed,

b. comparing the calling rates of said calling and called locations to provide information to determine which location has the lower calling rate at the time said call is placed,

c. originating the call from the location having the lower call rate, and

d. utilizing said telecommunications network between said calling and called terminal locations to utilize the networks calling party identification to notify the called location that the called location should initiate a call initiation and a call connection.