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:
Mar. 19, 2013
Filed:
Nov. 05, 2007
Kazuhiro Sakata, Tokyo, JP;
Akihisa Kurashima, Tokyo, JP;
Kazuhiro Sakata, Tokyo, JP;
Akihisa Kurashima, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
The present invention provides a telephone relay apparatus in which even in a telephone terminal which cannot recognize a subaddress, it is possible to attain information to judge whether or not the call is to be started. A telephone relay apparatuspossesses a plurality of call transmission telephone numbers (proxy telephone numbers) to uses a telephone number (user telephone number) properly to transmit a call to a telephone terminalon the call reception side according to a rule prescribed in advance, which enables the telephone terminalon the call reception side to identify the type of the call via the telephone relay apparatusbased on the call transmitter telephone number (notification telephone number).