Applications of IP PBX in Xi′an Power Supply Bureau

This paper analyzes the configuration of VoIP system,introduces the voice switching platforms,IP gateway,cross-border IP gatekeepers and IP phone etc.It puts forward a construction scheme of VoIP system based on application circumstance,and introduces the applications of VoIP by using Coral IP PBX in Xi′an Power Supply Bureau.The anti-accident exercise system constructed on the platform of VoIP system is also discussed in the paper.