Search International and National Patent Collections

1. (WO1999039524) PROCEDURE AND SYSTEM FOR THE PROCESSING OF MESSAGES IN A TELECOMMUNICATION SYSTEM

Pub. No.:    WO/1999/039524    International Application No.:    PCT/FI1999/000019
Publication Date: Aug 5, 1999 International Filing Date: Jan 13, 1999
IPC: H04L 9/14
H04L 9/32
H04W 12/02
H04W 88/18
H04W 88/02
Applicants: SONERA OYJ
HEINONEN, Petteri
Inventors: HEINONEN, Petteri
Title: PROCEDURE AND SYSTEM FOR THE PROCESSING OF MESSAGES IN A TELECOMMUNICATION SYSTEM
Abstract:
The present invention relates to telecommunication systems. The object of the present invention is to disclose a new type of procedure and system for encrypting the outgoing message traffic between mobile stations consistent with current mobile communication standards and/or between a mobile station and a service provider and for decrypting the incoming message traffic. In addition, the procedure and system of the invention allow encrypted messages to be sent to and received from a closed receiver group in a given area.