Need guidance on developing VOIP app on android studio

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I'm trying to make an app on android studio which does the following..

An application which allows mobile users on the same WiFi network to communicate via VOIP calling or Chatting.

I have knowledge in Java, XML and few other languages. I want to know how do I go about starting this? What are all the concepts I need to study in order to make a start. I've just learnt to use android studio and I can make simple apps. All the help is deeply appreciated.

Posted 21-Sep-15 19:00pm

Peele

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Richard MacCutchan · Answer 1 · 2015-09-21T23:16:00

Solution 1

Go to http://www.codeproject.com/KB/android/#Android+Tutorial+Contest[^].

Posted 21-Sep-15 23:16pm

Richard MacCutchan

J Gregory · Answer 2 · 2015-12-15T19:51:00

I would avoid creating such a module from scratch because VoIP is a complex topic.
There are many open source and commercial voip libraries for android. Choose one and those has simple methods so you will just have to call functions like Register() and Call().

Here are a few free or open source VoIP library for Android:
-linphone
-pjsip
-mjsip
-sipdroid
-mizudroid
-doubango
-belle-sip