diff --git a/utils/fgcom/fgcom_external.cxx b/utils/fgcom/fgcom_external.cxx
index cc9a423..42fe002 100644
--- a/utils/fgcom/fgcom_external.cxx
+++ b/utils/fgcom/fgcom_external.cxx
@@ -182,7 +182,10 @@ int main(int argc, char** argv)
                         lib_setVolume(1.0, 0.0);
                     } else {
                         SG_LOG( SG_GENERAL, SG_INFO, "[LISTEN] mute mic, unmute speaker" );
-                        lib_setVolume(0.0, currentData.outputVol);
+                        //lib_setVolume(0.0, currentData.outputVol);
+                        lib_setVolume(0.0, 1.0);
+
+
                     }
                 }
 
@@ -526,7 +529,7 @@ void lib_setVolume(double input, double output)
 void lib_setSilenceThreshold(double thd)
 {
     SG_CLAMP_RANGE<double>(thd, -60, 0);
-    SG_LOG(SG_GENERAL, SG_DEBUG, "Set silence threshold=" << thd);
+    SG_LOG(SG_GENERAL, SG_ALERT, "Set silence threshold=" << thd);
     iaxc_set_silence_threshold(thd);
 }
 
@@ -554,12 +557,10 @@ bool lib_init()
     }
 
     iaxc_set_callerid( _callsign.c_str(), _app.c_str() );
-//    iaxc_set_formats(IAXC_FORMAT_SPEEX, IAXC_FORMAT_ULAW|IAXC_FORMAT_SPEEX);
+    iaxc_set_formats(IAXC_FORMAT_SPEEX, IAXC_FORMAT_ULAW|IAXC_FORMAT_SPEEX);
+//    iaxc_set_formats(IAXC_FORMAT_GSM, IAXC_FORMAT_ULAW|IAXC_FORMAT_GSM);
 
-    iaxc_set_formats(IAXC_FORMAT_GSM, IAXC_FORMAT_ULAW|IAXC_FORMAT_GSM);
-
-
-//    iaxc_set_speex_settings(1, 5, 0, 1, 0, 3);
+    iaxc_set_speex_settings(1, 5, 0, 1, 0, 3);
 //    iaxc_set_filters(IAXC_FILTER_AGC | IAXC_FILTER_DENOISE);
     iaxc_set_event_callback(iaxc_callback);
     iaxc_start_processing_thread ();