Design and implementation of a softswitch for third generation mobile all-IP network

Vincent W.S. Feng, Yi-Bing Lin, S-L Chou

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

This chapter describes the design and implementation of a softswitch for UMTS developed by Computer and Communication Research Laboratory (CCL) of Industrial Technology Research Institute (ITRI). This softswitch can be utilized as call agent (media gateway controller) for the third generation mobile all-IP network such as UMTS. The CCL Softswitch follows the reference architecture proposed by International Softswitch Consortium. In our approach, the Intelligent Network (IN) call model is implemented to interwork with existing IN devices. We design protocol adapter modules and service provider interface to ensure that multiple VoIP protocols can be supported without modifying the core of the softswitch. Furthermore, the message flows of call setup, call transfer and inter-softswitch call are described to show the feasibility of the softswitch.
Original languageAmerican English
Title of host publicationWireless Communications Systems and Networks
PublisherSpringer Boston
Pages359-381
Number of pages23
ISBN (Electronic)978-0-306-48642-5
ISBN (Print)978-0-306-48190-1
DOIs
StatePublished - 2004

Keywords

  • H.323
  • Megaco
  • MGCP
  • SIP
  • softswitch
  • UMTS
  • VoIP

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