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:
Nov. 27, 2007
Filed:
Feb. 27, 2003
Yoshiharu Sagiya, Iwatsuki, JP;
Yoshihiro Maei, Iwatsuki, JP;
Hideki Fujii, Iwatsuki, JP;
Hirotaka Kawabata, Iwatsuki, JP;
Kazutaka Saitoh, Iwatsuki, JP;
Yoshiharu Sagiya, Iwatsuki, JP;
Yoshihiro Maei, Iwatsuki, JP;
Hideki Fujii, Iwatsuki, JP;
Hirotaka Kawabata, Iwatsuki, JP;
Kazutaka Saitoh, Iwatsuki, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A communication terminal device which comprises an SIP call control unit that performs call control by using an SIP (Session Initiation Protocol), a recognition unit that recognizes that a calling has become an error according to a response signal sent back from a called party terminal after making the call according to the SIP call control procedure, a redial management unit that manages a redial interval to make a redial when the calling has become an error, and a redial control unit that performs redial control according to redial information when the calling has become an error and the response signal contains the redial information.