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. 06, 2003
Filed:
Dec. 23, 1998
Nortel Networks Limited, St. Laurent, CA;
Abstract
The invention relates to methods and apparatus for wireless multi-site networking using signaling and voice over Internet protocol. The apparatus includes a wireless portable terminal, a controller for controlling communications equipment, wireless base stations, a computer network, and signaling devices. The wireless portable terminal is registered to a home controller when within a home coverage area, and the wireless portable terminal is registered with a remote controller when within a remote coverage area, thereby allowing the wireless portable terminal to roam from the home location to the remote location using a home wireless base station and remote wireless base stations, respectively, with the ability to make and receive calls via its home directory number.