In this paper we present a java implementation of video telephony using the SIP protocol (Session Initiation Protocol). After a functional analysis of the SIP protocol and based on the work of researchers of the University Italian (University of parma-Italy) (University of parma-Italy)to acquire adequate libraries for the development of our communication tool. In order to optimize the code and improve the prototype we used, in an incremental approach, test techniques based on a static analysis based on the evaluation of the complexity of the software with the application of metrics and the number cyclomatic of Mccabe. The objective is to promote the emergence of local start-ups producing IP video in a well understood local context. We have arrived at the creation of a video telephony tool whose code is optimized.
