References
- Broadband convergence Network Web Site, http://www.bcn.ne.kr/\
- ITU-TY.2001: "General overview of NGN"
- ITU-T "General principles and general reference model for next generation networks" , Recommendation y. 2011 , 2004
- 3GPP TS 23.228, "IP Multimedia Subsystem (IMS)," December. 2006
- J. Rosenberg et ai., "SIP: Session Initiation Protocol," IETF RFC 3621,June, 2002
- 3GPP TS 23.002, "Network Architecture," March. 2006
- 3GPP TS 23.221, "Architecture Requirements," March. 2006
- 3GPP TS 24.228, "Signalling flows for the IP multimedia call control based on SIP and SDP," October. 2006
- 3GPP TS 24.229, 'IP Multimedia Call Control based on SIP and SDP; Stage 3," December. 2006
- K. Daniel Wong and Vijay K. Varma, "Supporting RealTime IP Multimedia Services inn UMTS," IEEE Communications Magazine, November. 2003