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. 27, 2011
Filed:
Sep. 26, 2007
Hong Xie, Shenzhen, CN;
Jincheng Wang, Shenzhen, CN;
Dongming Zhu, Shenzhen, CN;
Jiongjiong Gu, Shenzhen, CN;
Hong Xie, Shenzhen, CN;
Jincheng Wang, Shenzhen, CN;
Dongming Zhu, Shenzhen, CN;
Jiongjiong Gu, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A method for authenticating a terminal subscriber identity module in an IM domain includes: sending an AV request to an HSS by the S-CSCF; sending a request message for acquiring the AV to a home device of the UE upon receiving the AV request by the HSS; allocating an SQN for the UE upon receiving the request message, generating an AV based on the SQN, and sending the AV to the HSS by the HLR; sending the AV to the S-CSCF by the HSS; and authenticating the terminal subscriber identity module of the UE according to the AV by the S-CSCF. A system for authenticating a terminal subscriber identity module in an IM domain includes: UE, an S-CSCF, a home device of the UE and an HSS. The invention enables a USIM subscriber to use IM services without changing the USIM card.