message: Don't set the call state to ended on error
  This isn't always the case, eg. just because we fail to pick up,
  the call is still ringing.
diff: @@ -117,7 +117,6 @@ function _setCallListeners(call) {
  call.on("error", function(err) {
  console.error("Call error: %s", err);
  console.error(err.stack);
  - _setCallState(undefined, call.roomId, "ended");
  if (err.code === 'unknown_devices') {
  const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
  