The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In IP Multimedia Subsystem(IMS) of UMTS, IMS information is delivered through the general packet radio service(GPRS) transport network, before a user equipment (UE) can access the IMS service, it must performance both packet-switch domain and IMS authentication. It is inefficient that almost all involved steps in IMS authentication are duplicated. Hence, some one-pass IMS authentications were proposed...
Security is a major requirement on every telecommunications system. Everyday brings new technologies, techniques and standards; in order to guarantee these telecommunication systems a complete solution to secure networks. Since IP Multimedia Subsystem (IMS) is an evolving standard that intends to support Next Generation Networks (NGN) and Next Generation Mobile Networks (NGMN), its security techniques...
This paper describes a framework for consent- based communications in SIP. This framework allows users to grant or deny SIP entities permission to communicate with those users. Consent-based communications prevent some types of amplification-based denial of service attacks and can be used to alleviate the effects of spam in SIP. This paper also presents the results of our experiments implementing...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.