I've heard people ask repeatedly whether they should be using VOIP or Teamspeak for in-game communications. Without question, you should be using VOIP. The game has more than enough built-in channels, and if you try using the settings in
this guide, you should be able to get the VOIP working without problems. This game has new ways of doing things, and it's going to take a while to get used to how these things work.
Try to keep in mind that for communication with nearby players, you should use the Local VOIP channel (the default key to switch to this channel is the
Delete key). When you need to tell something to the whole team, or to the Commander, switch to the Team VOIP channel (the default key to switch to this channel is the
End key). Then, switch back to the Local VOIP channel when you're done making your report.
Tank crews should always be using the Local VOIP channel to communicate with each other while in their vehicle.