VoIP klient pro operační systém Android

Abstract

Nowadays, there is a high penetration of Android in the market of smartphones. Due to the popularity of the platform, its simplicity, openness and fast code writing, Android is an ideal platform for developing client that supports VoIP technology, which forms an alternative to the classical telephony. The practical part of this thesis is about developing a VoIP client for the Android operating system that supports audio calls, video calls, text messaging, and DTMF. The advantage of VoIP client over the competition is about support IM communication using XMPP protocol and the ability to use the integrated web browser during a call. The theoretical part of this thesis deals with the general principles of VoIP, Android platform, development tools and various technologies utilized in the practical part for the thesis.