Patent · US Expired

Method for contacting a subscriber to multiple wireless bearer services

US6480720B1 · kind B1 · utility

11Cited by
19References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 1999
Grant dateNov 12, 2002
Priority date
Expiry dateJul 14, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W68/12
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a method for contacting a wireless user who subscribes to several bearer services. The wireless user may be active on only a single bearer service at any given time. The present invention discloses a method for contacting the wireless user by sending alert messages over each of the wireless bearer services in turn until the user is contacted.

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