Chapter 10. IP Multimedia Subsystem—Architecture and Protocols

  1. Cornelia Kappler Ph.D.

Published Online: 12 MAY 2009

DOI: 10.1002/9780470682029.ch10

UMTS Networks and Beyond

UMTS Networks and Beyond

How to Cite

Kappler, C. (2009) IP Multimedia Subsystem—Architecture and Protocols, in UMTS Networks and Beyond, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470682029.ch10

Author Information

  1. deZem GmbH, Germany

Publication History

  1. Published Online: 12 MAY 2009
  2. Published Print: 24 FEB 2009

ISBN Information

Print ISBN: 9780470031902

Online ISBN: 9780470682029



  • IP multimedia subsystem—architecture and protocols;
  • Call State Control Functions (CSCFs);
  • Open Mobile Alliance (OMA);
  • proxy CSCF;
  • Home Subscriber Server (HSS);
  • Breakout Gateway Control Function (BGCF);
  • Application Server (AS);
  • Policy And Charging Rules Function (PCRF);
  • Real Time Protocol (RTP)


This chapter contains sections titled:

  • IMS Service Support

  • Architecture

  • Protocols

  • Summary