The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2005
Filed:
Sep. 22, 2000
Pieter Groen, Narrden, NL;
Paul M. Brennan, Toronto, CA;
Anne Grosman, Willowdale, CA;
Robert A. Williamson, Aurora, CA;
Pieter Groen, Narrden, NL;
Paul M. Brennan, Toronto, CA;
Anne Grosman, Willowdale, CA;
Robert A. Williamson, Aurora, CA;
Nortel Networks Limited, St. Laurent, CA;
Abstract
During a telephone call, a party to the call may signal (by, for example, sending certain DTMF tones (a wish to provide his or her location to the other party to the call. The central office responds to this request by accessing a subscriber record for the communication line (e.g., subscriber loop) terminating at the requesting party and sending location information in the subscriber record to the other party to the call. Depending upon the technology available, the location information may be supplied in-band or on a parallel datapath.