void telecomProvider_FaxToneDetected(object sender, LineEventArgs e)
        {
            if (e.LineNumber == lineNumber)
            {
                LoggingService.AddLogEntry(LogLevel.Extended, "(Line " + lineNumber + ") Detected a fax tone", false);

                if (Properties.Settings.Default.AutoForwardFaxTo != null && Properties.Settings.Default.AutoForwardFaxTo.Length > 0)
                {
                    telecomProvider.TransferCall(e.LineNumber, Properties.Settings.Default.AutoForwardFaxTo);
                }
                else
                {
                    imlInterp.SignalFaxTone();
                }
            }
        }