diff --git a/conf/vanilla/sip_profiles/internal.xml b/conf/vanilla/sip_profiles/internal.xml
index f4e0cfc54b..7beecbfeab 100644
--- a/conf/vanilla/sip_profiles/internal.xml
+++ b/conf/vanilla/sip_profiles/internal.xml
@@ -293,6 +293,9 @@
 
     <!--<param name="delete-subs-on-register" value="false"/>-->
 
+    <!-- launch a new thread to process each new inbound register when using heavier backends -->
+    <!-- <param name="inbound-reg-in-new-thread" value="true"/> -->
+
     <!-- enable rtcp on every channel also can be done per leg basis with rtcp_audio_interval_msec variable set to passthru to pass it across a call-->
     <!--<param name="rtcp-audio-interval-msec" value="5000"/>-->
     <!--<param name="rtcp-video-interval-msec" value="5000"/>-->
diff --git a/src/mod/endpoints/mod_sofia/conf/sofia.conf.xml b/src/mod/endpoints/mod_sofia/conf/sofia.conf.xml
index 150a3fe1d6..bf6bee7b28 100644
--- a/src/mod/endpoints/mod_sofia/conf/sofia.conf.xml
+++ b/src/mod/endpoints/mod_sofia/conf/sofia.conf.xml
@@ -342,6 +342,9 @@
 
         <!-- <param name="delete-subs-on-register" value="false"/> -->
 
+        <!-- launch a new thread to process each new inbound register when using heavier backends -->
+        <!-- <param name="inbound-reg-in-new-thread" value="true"/> -->
+
         <!-- enable rtcp on every channel also can be done per leg basis with
              rtcp_audio_interval_msec variable set to passthru to pass it across
              a call -->