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Design of Internet Telephony Network System using Open Source Softwares

오픈 소스 소프트웨어를 활용한 인터넷 전화망 시스템 설계

  • 하은용 (안양대학교 컴퓨터공학과)
  • Received : 2012.07.06
  • Accepted : 2012.07.20
  • Published : 2012.07.31

Abstract

Internet telephony is an Internet service which supports voice telephone using VoIP technology on the IP-based Internet. It has some advantages in that voice telephone services can be accompanied with multimedia services such as video communication and messaging services. Recently, the introduction of smart phones has led to a growth in social networking services and thus, the research and development of Internet telephony has been actively progressed and has the potential to become a replacement for the telephone service that is currently being used. In this paper we designed and implemented an Internet telephony network system which is developed by using Asterisk and open source softwares. It is developed on the linux system and has some features such as VoIP telephony service between SIP phones, voice mail, and call recording. It also supports web-based functions such as SIP users and server system management that is implemented by Apache web server and PHP programs. Afterwards, this system will be applied as VoIP network base technology for small sized companies and organizations. It will paly a role for encouraging companies to use open source softwares.

Keywords

Open Source Software;Internet Telephony;Asterisk;VoIP;SIP;RTP