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:
Sep. 17, 2013
Filed:
Aug. 30, 2010
Yoshitaka Hamada, Tokyo, JP;
Yoshitaka Hamada, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
Provided is service for transmitting and receiving a file between a calling device and a call receiving device without depending on a capacity of a proxy server. An SIP telephone set (calling device) which makes a call through a proxy serverto establish a session for a voice path with a call receiving deviceconformed to SIP, comprising a request issuing unitwhich requests the call receiving deviceto establish a session for a data path by the pressing of a specific extension at the time of establishment of a session for a voice path, a session establishing unitwhich obtains an access authentication result by the pressing of the specific extension to establish a session for a data path with the call receiving device, and a file obtaining unitwhich obtains a file managed by the call receiving devicefrom the call receiving deviceindependently of the proxy serverafter a session for a data path is established.