×

Method for allowing a mobile phone to receive a call through a wireless network for which it is not registered, for emergency purposes

  • US 5,864,755 A
  • Filed: 06/11/1996
  • Issued: 01/26/1999
  • Est. Priority Date: 06/11/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for operating a wireless telephone system to provide emergency service for a wireless telephone operating in said wireless telephone system, said method comprising the steps of:

  • receiving a request to connect said wireless phone to a predetermined telephone number from said wireless telephone;

    receiving a unique identifying number identifying said wireless telephone, said unique identifying number enabling said wireless telephone system to connect said mobile telephone to said wireless telephone system;

    storing a plurality of direct inward dialing numbers (DIDs) that are used exclusively for emergency calls, each said DID allowing a caller outside of said wireless telephone system to call a telephone within said wireless telephone system;

    assigning one of said DIDs to said unique identifying number;

    connecting said wireless telephone to an emergency operator and providing said emergency operator with said assigned DID, said DID enabling a call from said emergency operator to said wireless telephone through said wireless telephone system.

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