| This paper analyzes the network technology in VoIP and the software and hardwaretechnology in ARM-Linux embedded system. It studies the development of theembedded system and the software transfer method and process in different compilingplatforms, analyzes the current situation regarding the application of VoIP technology,the VoIP's network structure and the key points of ITU-T H.323 protocol. It introducesthe most popular OPENH323 protocol stack. The process has transferred the GNUGK ofITU-T H.323 protocol from PC to ARM-Linux embedded system. Through analyzing thefunction and the process of the terminal, gateway and gatekeeper in the networkstructure of OPENH323 under the H.323 standard, the paper describes the definition andthe actual process of gatekeeper in OPENH323 in particular. |
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