A client-side design and implementation for push to talk over cellular service

Lin Yi Wu*, Meng Hsun Tsai, Yi-Bing Lin, Jen Shun Yang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

This paper proposes a client architecture for the push to talk over cellular (PoC) service based on the open mobile alliance (OMA) PoC specifications v1.0 release. We show that most standard VoIP modules can be reused for the PoC client, and the VoIP software can be easily extended to support PoC service. Then we present the detailed message flows between the PoC client and other network entities in the PoC system. A PoC client prototype has been implemented in the Industrial Technology Research Institute (ITRI) and National Chiao-Tung University (NCTU) Joint Research Center.

Original languageEnglish
Pages (from-to)539-552
Number of pages14
JournalWireless Communications and Mobile Computing
Volume7
Issue number5
DOIs
StatePublished - 1 Jun 2007

Keywords

  • Cellular network
  • Floor control
  • Push to talk over cellular (PoC)
  • Voice over IP (VoIP)
  • Wireless LAN (WLAN)

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