diff --git a/overlay/etc/skel/.config/JS8Call.ini b/overlay/etc/skel/.config/JS8Call.ini
index 0a860c9..7eefb25 100644
--- a/overlay/etc/skel/.config/JS8Call.ini
+++ b/overlay/etc/skel/.config/JS8Call.ini
@@ -20,6 +20,8 @@ Polling=1
 PSKReporter=false
 PTTMethod=@Variant(\0\0\0\x7f\0\0\0\x1eTransceiverFactory::PTTMethod\0\0\0\0\xfPTT_method_CAT\0)
 PTTport=localhost:4532
+SoundInName="sysdefault:CARD=ET_AUDIO"
+SoundOutName="sysdefault:CARD=ET_AUDIO"
 SubMode=0
 SubModeHB=true
 SubModeHBAck=true