speakerMeter.setWarningValue(speakerWarningLimit);
speakerMeter.setVisible(true);
speakerMeterPanel.add(speakerMeter);
SoftphoneControl sc = SoftphoneControlImpl.getInstance();
sc.addSoftphoneListener(this);
sc.addMicrophoneInfoListener(this);
sc.addSpeakerInfoListener(this);
client.addDisconnectListener(this);
}