[ACM Press the 6th International Confere
✍
Islam, Salekul; Grégoire, Jean-Charles
📂
Article
📅
2009
🏛
ACM Press
⚖ 933 KB
The IP Multimedia Subsystem (IMS) is a converged framework for delivering voice, video and data communication services to mobile and fixed users. The present operatorcentric IMS model, which assume a single operator for the access network, IMS core and application servers, restricts if and how users