Cordova + PhoneRTC Plugin + FreeSwitch WebRTC Verto Proof of Concept
$ cordova plugin add org.apache.cordova.console
$ cordova plugins add https://github.com/rbarroetavena/phonertc.git
$ cordova plugin add https://github.com/knowledgecode/WebSocket-for-Android.git ( optional)
$ cordova platform add android
$ cordova platform add browser
$ cordova build android
Edit index.html and change value inputs
<input id="click2call_user" value="user">
<input id="click2call_domain" value="mydomian.com">
<input id="click2call_password" value="password">
<input id="click2call_number" value="3010">