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:
Jul. 12, 2005
Filed:
Mar. 20, 2001
Applicant:
Andrew Silver, Dallas, TX (US);
Inventor:
Andrew Silver, Dallas, TX (US);
Assignee:
Nortel Networks Limited, St. Laurent, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L012/28 ; H04L012/56 ;
U.S. Cl.
CPC ...
Abstract
The present invention supports a packet-based communication by emulating the functions of an enhanced mobile radio system. The communication device executes emulation software to support simplex communications, as well as other communication features such as voice mail, electronic mail, or public switched telephone network communications. Communications to and from the devices configured with emulation software can also be controlled with a presence routine.