I'm making a research for our development team that is working on our PTT (push to talk) application.
Our problem is:
PTT App Disconnects (Both from WiFİ and Mobile Data) after the app works in background for almost 30 mins.
Internet connection is up , i can use facebook at that time.But our PTT app is disconnected.

Is this a common problem? Any solutions?


I tried upgrading the OS, but it says I have the latest version.
OS: 4.0.4
Device: Samsung Duos GT-S7562