1. 3GPP, TS23.228, V8.10.0, 3rd Generation Partnership Project, Technical Specification Group Services and System Aspects, IP Multimedia Subsystem (IMS): Stage2[S] (September 2009)
2. Camarillo, G.: The 3G IP Multimedia Subsystem(IMS) Merging the Internet and the Cellular Worlds, 2nd edn. (May 2006)
3. 3GPP, TS32.101, V8.4.0, Telecommunication management, Principles and high level requirements (2009)
4. Lecture Notes in Computer Science;J.-H. Hwang,2009
5. Blum, N., Magedanz, T., Schreiner, F.: Sebastian wahle From IMS Management to SOA Based NGN Management. Netw. Syst. Manage. (2009), doi:10.1007/s10922.009.9118.4