I would like to ask any possibility to make voice call over internet similar to whatapp calls. Now i have a new project for B4J, B4A and B4I to used internet to make voice call. Any suggestion?
You can use SIP library in Android. There is no built-in support for SIP in iOS. You will need to find a library that implements it and wrap it. It is not a simple task.
Check WebRTC. It allows you to make video and audio calls through WebView.
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