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.:

US 7848311 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 07, 2010

Filed:

Nov. 24, 2004
Applicants:

Akira Miyajima, Kanagawa, JP;

Tomonori Shino, Kanagawa, JP;

Tatsuo Bando, Tokyo, JP;

Inventors:

Akira Miyajima, Kanagawa, JP;

Tomonori Shino, Kanagawa, JP;

Tatsuo Bando, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/66 (2006.01);
U.S. Cl.
CPC ...
Abstract

An internal terminal that connects to a DNS server, the server storing and managing a telephone number for communication and an external NAPTR record, the internal terminal including: a terminal communication controller that accesses the DNS server and notifies the DNS server of a telephone number for the communication; a terminal-side controller that obtains, when the DNS server is informed of the communication telephone number, an external NAPTR record being corresponding to the communication telephone number; an IP service presence determination unit that determines whether the external NAPTR record has function service information related to IP communication; and a display that displays the available IP communication service function of the destination corresponding to the communication telephone number, when it is determined that the external NAPTR record has the IP communication service function.


Find Patent Forward Citations

Miyajima, Akira. (2010). Communication apparatus (U.S. Patent No. 7848311). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7848311

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