diff --git a/modules/rhizo_base/templates/vsat.xml.erb b/modules/rhizo_base/templates/vsat.xml.erb
index 1f01154..6ae483e 100644
--- a/modules/rhizo_base/templates/vsat.xml.erb
+++ b/modules/rhizo_base/templates/vsat.xml.erb
@@ -19,7 +19,7 @@
     <param name="dialplan" value="XML"/>
     <param name="context" value="public"/>
     <param name="dtmf-duration" value="2000"/>
-    <param name="inbound-codec-prefs" value="OPUS@8000h@20i,G729"/>
+    <param name="inbound-codec-prefs" value="AMR,OPUS@8000h@20i,G729"/>
     <param name="outbound-codec-prefs" value="OPUS@8000h@20i,G729"/>
     <param name="rtp-timer-name" value="soft"/>