Title:
第2の端末と通信しようとする第1の端末へのチャレンジング
Document Type and Number:
Japanese Patent JP5378597
Kind Code:
B2
Abstract:
The invention relates to a method, party challenging device (18) and computer program products for providing a challenge to a first terminal (10) intending to communicate with a second terminal (24) via two networks (N1, N2). The party challenging device receives a first electronic message (1M) concerning a transfer of media from the first terminal to the second terminal sent from the first terminal (10) and addressed to the second terminal (24), obtains communication contextual data associated with the first party or the first terminal, provides an electronic challenge message (CHM) including a challenge (CHl1) based on the obtained data and sends the challenge message to the first terminal in order to enable a decision to be made how to process the invitation message for the second terminal based on the correctness of a response (RM) including a response to the challenge.
Inventors:
Barriga, Lewis
Michael lillenstam
Nerbrandt, Per-Olov
Neslund, Mats
Michael lillenstam
Nerbrandt, Per-Olov
Neslund, Mats
Application Number:
JP2012511784A
Publication Date:
December 25, 2013
Filing Date:
May 20, 2009
Export Citation:
Assignee:
Telefon Akti Bora Get Elm Ericson (Pubble)
International Classes:
H04W12/06
Other References:
Dimitris Gritzalis, Yannis Mallios,A SIP-oriented SPIT Management Framework,Computers & Security,2008年10月 1日,Vol.27, Issues 5-6,pages 136-153
Mohammad Shirali-Shahreza, Sajad Shirali-Shahreza,Dynamic CAPTCHA,Communications and Information Technologies,2008年10月21日,pages 436-440,URL,http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4700230&tag=1
Mohammad Shirali-Shahreza, Sajad Shirali-Shahreza,Dynamic CAPTCHA,Communications and Information Technologies,2008年10月21日,pages 436-440,URL,http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4700230&tag=1
Attorney, Agent or Firm:
Sonoda Yoshitaka
Kobayashi Yoshinori
Kobayashi Yoshinori