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:
Aug. 14, 2012
Filed:
Sep. 19, 2007
Applicants:
Lifeng Liu, Shenzhen, CN;
Zhibin Zheng, Shenzhen, CN;
Kai Zhao, Shenzhen, CN;
Guanzhou Lin, Shenzhen, CN;
Inventors:
Lifeng Liu, Shenzhen, CN;
Zhibin Zheng, Shenzhen, CN;
Kai Zhao, Shenzhen, CN;
Guanzhou Lin, Shenzhen, CN;
Assignee:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/66 (2006.01); H04M 3/22 (2006.01); H04M 3/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for preventing Spam over Internet Telephony (SPIT), includes: a terminal receives a call request of a calling user; the terminal sets an identifier of the calling user into a SPIT reporting request upon receipt of the call request; and sends the SPIT reporting request to a server in response to an instruction of a called user that the call request is the SPIT.