diff --git a/README.md b/README.md
index ff8c333be..9a45941cf 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,10 @@ This module is intended to be used with the ns8-nethvoice-proxy module as SIP pr
 
 Module can be configured from cluster-admin NethServer 8 interface.
 
-To make also provisioniong RPS work with Falconieri, you need to manualy set `SUBSCRIPTION_SECRET` and `SUBSCRIPTION_SYSTEMID` into `~/.config/state/environment` file and restart freepbx container with `systemctl --user restart freepbx`
+To make also provisioniong RPS work with Falconieri, you need to manualy set `SUBSCRIPTION_SECRET` and `SUBSCRIPTION_SYSTEMID` into `~/.config/state/environment` 
+file and restart freepbx container with `systemctl --user restart freepbx`
+
+Also `PUBLIC_IP` environment variable should be configured
 
 You can access NethVoice wizard at:
 ```
diff --git a/freepbx/README.md b/freepbx/README.md
index dc37167a3..cb6c30498 100644
--- a/freepbx/README.md
+++ b/freepbx/README.md
@@ -33,6 +33,7 @@ This container also hosts push-proxy script for Flexisip.
 - `PHONEBOOK_LDAP_PORT` port of LDAP server
 - `PHONEBOOK_LDAP_USER` user of LDAP server
 - `PHONEBOOK_LDAP_PASS` password of LDAP server
+- `PUBLIC_IP` public ip address
 - `APACHE_PORT` Port used for httpd
 - `TANCREDIPORT` Port used bt Tancredi
 - `BRAND_NAME` Name for branding (default: NethVoice)
diff --git a/freepbx/initdb.d/migration.php b/freepbx/initdb.d/migration.php
index 4d67ca997..ed0b00599 100644
--- a/freepbx/initdb.d/migration.php
+++ b/freepbx/initdb.d/migration.php
@@ -39,3 +39,22 @@
 $sql = "UPDATE `asterisk`.`rest_devices_phones` SET `srtp` = 1 WHERE `extension` IN ('".str_repeat('?, ', count($extensions) - 1) . '?'."')";
 $stmt = $db->prepare($sql);
 $stmt->execute($extensions);
+
+# configure proxy on all FreePBX extensions
+$proxy_host = $_ENV['PUBLIC_IP'];
+$proxy_port = 5060;
+
+$sql = "UPDATE `asterisk`.`sip` SET `data` = ? WHERE `keyword` = 'outbound_proxy' AND `id` IN ('".str_repeat('?, ', count($extensions) - 1) . '?'."')";
+$stmt = $db->prepare($sql);
+$stmt->execute(array_merge(['sip:'.$proxy_host.':'.$proxy_port], $extensions));
+
+# set rtp_symmetric to no in freepbx sip table
+$sql = "UPDATE `asterisk`.`sip` SET `data` = 'no' WHERE `keyword` = 'rtp_symmetric' WHERE `id` IN ('".str_repeat('?, ', count($extensions) - 1) . '?'."')";
+$stmt = $db->prepare($sql);
+$stmt->execute($extensions);
+
+# set rewrite_contact to no in freepbx sip table
+$sql = "UPDATE `asterisk`.`sip` SET `data` = 'no' WHERE `keyword` = 'rewrite_contact' WHERE `id` IN ('".str_repeat('?, ', count($extensions) - 1) . '?'."')";
+$db->query($sql);
+$stmt = $db->prepare($sql);
+$stmt->execute($extensions);
\ No newline at end of file
diff --git a/tancredi/entrypoint.sh b/tancredi/entrypoint.sh
index 1193b4d4f..6d6f29ad9 100755
--- a/tancredi/entrypoint.sh
+++ b/tancredi/entrypoint.sh
@@ -49,7 +49,7 @@ if [[ ! -f ${dst_file} ]]; then
 	echo 'ui_first_config = "1"' >> ${dst_file}
 
 	# Remove variables if they exists
-	for variable in timezone language tonezone hostname provisioning_url_scheme provisioning_freq time_format date_format ldap_server ldap_port ldap_tls ldap_user ldap_password ldap_base ldap_name_display ldap_number_attr ldap_mainphone_number_attr ldap_mobilephone_number_attr ldap_otherphone_number_attr ldap_name_attr ldap_number_filter ldap_name_filter adminpw userpw; do
+	for variable in timezone language tonezone hostname outbound_proxy outbound_proxy_port provisioning_url_scheme provisioning_freq time_format date_format ldap_server ldap_port ldap_tls ldap_user ldap_password ldap_base ldap_name_display ldap_number_attr ldap_mainphone_number_attr ldap_mobilephone_number_attr ldap_otherphone_number_attr ldap_name_attr ldap_number_filter ldap_name_filter adminpw userpw; do
 		sed -i '/^'${variable}' =.*/d' ${dst_file}
 	done
 	# Add defaults
@@ -57,6 +57,8 @@ if [[ ! -f ${dst_file} ]]; then
 	echo 'language = "it"' >> ${dst_file}
 	echo 'tonezone = "it"' >> ${dst_file}
 	echo 'hostname = "'${NETHVOICE_HOST}'"' >> ${dst_file}
+	echo 'outbound_proxy_1 = "'${PUBLIC_IP}'"' >> ${dst_file}
+	echo 'outbound_proxy_port_1 = "5060"' >> ${dst_file}
 	echo 'provisioning_url_scheme = "https"' >> ${dst_file}
 	echo 'provisioning_freq = "everyday"' >> ${dst_file}