/**
   * @param connectionMaster
   * @param numberAddingToConference
   * @param observedAddress
   * @param terminalName
   */
  public void addToConference(CallControlConnection connectionMaster, 
      String numberAddingToConference, 
      Address observedAddress, 
      String terminalName) {
    if (observedAddress.getConnections() != null 
        && connectionMaster.getState() == Connection.CONNECTED) {
      CiscoCall callMaster = (CiscoCall) connectionMaster.getCall();
      CiscoCall callCreateNew;
      try {
        callCreateNew = (CiscoCall) provider.createCall();
        try {
          callCreateNew.conference(callMaster);
        } catch (Exception e) {
          Terminal terminal[] = observedAddress.getTerminals();
          TerminalConnection terminalNewCreated = null;
          for (int i = 0; i < terminal.length; i++) {
            if (terminal[i].getName().equals(terminalName)) {
              terminalNewCreated = terminal[i].getTerminalConnections()[0];
            }
          }
          if (callMaster.getConferenceController() == null) {
            callMaster.setConferenceController(terminalNewCreated);
            callCreateNew.setConferenceEnable(true);
          }
          callCreateNew.consult(terminalNewCreated, numberAddingToConference);
          callMaster.conference(callCreateNew);
        }
      } catch (Exception e) {
        Logger.getLogger(this.getClass()).warn(“Conference could not be created ” + e);
      }
    } else {
      Logger.getLogger(this.getClass()).info(“Connection must ” +
          “be established to create a conference”);
    }
  }