This book gives a detailed overview of SIP specific security issues and how to solve them
While the standards and products for VoIP and SIP services have reached market maturity …

Session Initial Protocol (SIP) is widely used for handling multimedia signaling. Because SIP
is widely used in many multimedia applications, it becomes an attractive target to attackers …

Voice over IP (VoIP) has been a promising technology for several years. Although it has
become very popular, the vision to substitute the" good old" Public Switched Telephone …

Nowadays, there is a vast amount of work going on in the field of network identity
management. Many people in many organizations want to solve the problem of users having …

The Geographic Location/Privacy (Geopriv) work-ing group defines the concept of a'using
protocol', a protocol that carries Geopriv location objects. Geopriv also defines various …

The Security Assertion Markup Language (SAML) has established itself as one of the most
advanced and popular standards in the Identity Federation and Assertion management …

Identity federation is a key requirement for today's distributed services. This technology
allows managed sharing of users' identity information between identity providers (IDP), and …

Federation has emerged as a key concept for identity management, as it is the basis to
reduce complexity in the companies and improve user experience. However, the problem of …

This article proposes a novel unified IP Multimedia Subsystem (IMS) authentication
architecture that extends the scope of IMS by allowing it to offer users different IMS-based …

Identity Federation enables managing a single User's multiple Identities across
administrative domains. Instead of forcing a single Identity for the User, it leverages trust …