private static void setCallFilterSrcDst(CallFilter cf){
        RunningSettingsPanel.NumberComboBox comboSrc = RunningSettingsPanel.getCOMBO_SRC();
        RunningSettingsPanel.NumberComboBox comboDst = RunningSettingsPanel.getCOMBO_DST();

        if (!comboSrc.getPattern().equals("%%")) cf.setSrcFilter(comboSrc.getPattern());
        if (!comboDst.getPattern().equals("%%")) cf.setDstFilter(comboDst.getPattern());
    }