diff --git a/conf/sip-communicator.properties b/conf/sip-communicator.properties
index 24cf4ef..2f19f54 100644
--- a/conf/sip-communicator.properties
+++ b/conf/sip-communicator.properties
@@ -1,2 +1,4 @@
 org.jitsi.impl.neomedia.transform.srtp.SRTPCryptoContext.checkReplay=false
 org.jitsi.videobridge.TCP_HARVESTER_PORT=__PORT__
+org.ice4j.ice.harvest.NAT_HARVESTER_LOCAL_ADDRESS=__PRIVATE_IPV4__
+org.ice4j.ice.harvest.NAT_HARVESTER_PUBLIC_ADDRESS=__PUBLIC_IPV4__
diff --git a/scripts/install b/scripts/install
index 6a22c62..32c231c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -171,9 +171,14 @@ ynh_systemd_action --service_name=metronome --action=restart
 #=================================================
 ynh_print_info --message="Building Jitsi-Videobridge..."
 
+public_ipv4="$(curl ip.yunohost.org)" || true
+private_ipv4="$(ip route get 1 | sed -n 's/^.*src \([0-9.]*\) .*$/\1/p')" || true
+
 mkdir -p "$final_path/.sip-communicator"
 cp ../conf/sip-communicator.properties "$final_path/.sip-communicator/sip-communicator.properties"
 ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/.sip-communicator/sip-communicator.properties"
+ynh_replace_string --match_string="__PRIVATE_IPV4__" --replace_string="$private_ipv4" --target_file="$final_path/.sip-communicator/sip-communicator.properties"
+ynh_replace_string --match_string="__PUBLIC_IPV4__" --replace_string="$public_ipv4" --target_file="$final_path/.sip-communicator/sip-communicator.properties"
 chown -R $app: $final_path
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 0219936..28f2e3a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -147,9 +147,14 @@ ynh_print_info --message="Building Jitsi-Videobridge..."
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
+	public_ipv4="$(curl ip.yunohost.org)" || true
+	private_ipv4="$(ip route get 1 | sed -n 's/^.*src \([0-9.]*\) .*$/\1/p')" || true
+	
 	mkdir -p "$final_path/.sip-communicator"
 	cp ../conf/sip-communicator.properties "$final_path/.sip-communicator/sip-communicator.properties"
 	ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/.sip-communicator/sip-communicator.properties"
+	ynh_replace_string --match_string="__PRIVATE_IPV4__" --replace_string="$private_ipv4" --target_file="$final_path/.sip-communicator/sip-communicator.properties"
+	ynh_replace_string --match_string="__PUBLIC_IPV4__" --replace_string="$public_ipv4" --target_file="$final_path/.sip-communicator/sip-communicator.properties"
 	chown -R $app: $final_path
 fi