The Discussion for Application of VoIP Network Telephone System Based on Trixbox

VoIP network phone and its features and applications are described.Architecture and composition characteristics of Trixbox being open-source software are studied.VoIP network telephone system structure is proposed.After Trixbox server system is installed on a PC computer,the graphical VoIP phone system configuration is focused.VoIP security issues for the IP network telephone are researched and some solutions is proposed which is significance for building network phone service platform for small and medium enterprises.