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. 07, 2002
Filed:
Nov. 24, 1999
Richard J. Malcolm, Carol Stream, IL (US);
Daniel F. Tell, Lake Forest, IL (US);
Thomas J. Joyner, Chicago, IL (US);
William S. Pierce, Algonquin, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A communication system ( ) having packet and circuit switched networks ( and ) provides connection between at least a first and a second end users by establishing a call connection via a radio access network ( ), establishing a control channel associated the call connection between radio access network ( ) and packet switched network ( ) through a first packet switched connection, selecting one of packet and circuit switched networks ( and ) for establishing a traffic channel associated with the call connection, and routing the traffic channel through said selected network while maintaining the control channel through packet switched network ( ).