Web Call Example Application

Abstract: Web Call Example Application from Ericsson Developer Connection is an application that hosted at a web server and supplies functionality of VoIP phone calls. Users can access the service from desktop browser, mobile phone browser or Java ME Client. Users can also manage their contact books. Each user can have more than one VoIP service accounts, so they can choose the cheapest on when they make phone call. The Web Call Example Application supports two kinds of VoIP phone call connection: Relay Call and Third Party Call. For the Third Party Call there are four different implementations: Call Transfer, SDP Swap, Re-invite and Web Client. This master thesis introduces the theory of third party call and the implementation of Web Call Example Application.