Patent · US Expired

System and method for purging a call list

US6411708B1 · kind B1 · utility

40Cited by
6References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 2, 1998
Grant dateJun 25, 2002
Priority date
Expiry dateJun 2, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M3/2218
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

In accordance with the present invention, a call list update processing system is provided. The system is incorporated into a predictive dialing system, which includes a call list controller, responsive to a source of call records for establishing and storing at least one call list. Each call record includes at least one telephone number to be called. The system includes a predictive dialer, which is responsive to the call list controller for dialing the telephone numbers included in the call records in the call list. The system is used to update a call list on a periodic basis and includes, at least a call list update processor, which itself includes at least a call list update file and a comparator. The call list update file is where call record update data, which is received periodically from the source of call records, is stored. The comparator compares the call record update data stored in the call list update file with call record data stored in the stored call records. The call list update processor then updates the call list to reflect the call record update data. The call list update processor may also include a host update file where call record update data received by a …

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.