Uma aplicação de voz sobre IP baseada no Session Initiation Protocol

by da Silva, Jucimar Maia

In this work is implemented an application of Voice On IP using Session Initiation Protocol (SIP) as signalling protocol. To reach this objective, some important technologies are analyzed, as the protocols of the Internet Engineering Task Force (IETF) for Telephony IP, coders of voice, and the use of the application for verification of delays, jitter and loss of packages. The application was developed in Java and can easily be modified to adjust new coders of voice and characteristics more recent than new specifications of the SIP can implement