diff --git a/mod/freeswitch/external.xml b/mod/freeswitch/external.xml
index 4439e9b..e293f42 100644
--- a/mod/freeswitch/external.xml
+++ b/mod/freeswitch/external.xml
@@ -73,8 +73,8 @@
     <param name="ext-sip-ip" value="auto-nat"/>
     -->
 
-    <param name="rtp-ip" value="$${local_ip_v4}"/>
-    <param name="sip-ip" value="$${local_ip_v4}"/>
+    <param name="rtp-ip" value="0.0.0.0"/>
+    <param name="sip-ip" value="0.0.0.0"/>
     <param name="ext-rtp-ip" value="$${external_rtp_ip}"/>
     <param name="ext-sip-ip" value="$${external_sip_ip}"/>