Ip-phone System

IP-Phone, A new technology which transmits voice over Internet0 This is a economical, easy, efficacious communication means0 In China, Four companies provide this service0 But, there are some problems In IP-Phone, such as transfer delay, delay variation and common communication Interruption0 The goals of this topic: Firstly, developing a simple IP-Phone system0 Secondly, providing some technologies to improve the voice quality over Internet0 This paper introduces voice technology and IP-Phone systems and standard used in IP-Phone, the developing of a simple IP-Phone system0 Then, the more possible ways to improve voice quality over internet...