Title:
通信システム、通信端末、認証方法及びプログラム
Document Type and Number:
Japanese Patent JP6791115
Kind Code:
B2
Abstract:
An object of the present invention is to provide a communication system with reduced load on a network in authentication, with an increased number of communication terminals using the network. A communication system of the present invention includes: a representative communication terminal (20) belonging to a communication group (10) formed by a plurality of communication terminals; subordinate communication terminals (30) to (32) belonging to the communication group (10) and being separate from the representative communication terminal (20); and a node apparatus (40) exerting call processing control relating to the plurality of communication terminals belonging to the communication group (10). The representative communication terminal (20) and the subordinate communication terminals (30) to (32) have shared key information and shared SIM information. The representative communication terminal (20) transmits, to the subordinate communication terminals (30) to (32), part of information contained in authentication information received from the node apparatus (40), and executes authentication of the subordinate communication terminals (30) to (32) using the key information and the authentication information.
Inventors:
Jean Xiaoway
Prasad Anand Lagawa
Prasad Anand Lagawa
Application Number:
JP2017500506A
Publication Date:
November 25, 2020
Filing Date:
February 12, 2016
Export Citation:
Assignee:
NEC
International Classes:
H04L9/32; H04M11/00; H04W12/04; H04W12/06
Domestic Patent References:
| JP2013527673A | ||||
| JP2013537729A |
Foreign References:
| WO2012159272A1 | ||||
| WO1999057927A1 | ||||
| WO2001031964A1 |
Attorney, Agent or Firm:
Ken Ieiri