diff --git a/conf/homeserver.yaml b/conf/homeserver.yaml
index 7c523fb..83afbad 100644
--- a/conf/homeserver.yaml
+++ b/conf/homeserver.yaml
@@ -1217,7 +1217,7 @@ saml2_config:
 # Enable CAS for registration and login.
 #
 cas_config:
-  enabled: true
+  enabled: __SSO_ENABLED__
   server_url: "https://__DOMAIN__/_matrix/cas_server.php"
   service_url: "https://__DOMAIN__"
 #   #displayname_attribute: name
diff --git a/conf/server_name.conf b/conf/server_name.conf
index 3a1718f..fdf553e 100644
--- a/conf/server_name.conf
+++ b/conf/server_name.conf
@@ -1,5 +1,13 @@
-    location /.well-known/matrix/ {
-        return 200 '{"m.server": "__DOMAIN__:__PORT__"}';
-        add_header Content-Type application/json;
-        add_header Access-Control-Allow-Origin '*';
+location /.well-known/matrix/server {
+    return 200 '{"m.server": "__DOMAIN__:__PORT__"}';
+    add_header Content-Type application/json;
+    add_header Access-Control-Allow-Origin '*';
+}
+
+location /.well-known/matrix/client {
+    return 200 '{"im.vector.riot.jitsi":
+        {"preferredDomain": "__JITSI_SERVER_ADDR__"}
+    }';
+    add_header Content-Type application/json;
+    add_header Access-Control-Allow-Origin '*';
 }
diff --git a/config_panel.toml b/config_panel.toml
index c1043b1..a5c37e3 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -20,11 +20,19 @@ name = "Synapse configuration"
         help = "Is it a public server"
 
         [synapse_config.server_config.allow_public_rooms]
-        ask = "Server public"
+        ask = "Public rooms directory"
         type = "boolean"
         default = false
         help = "If set to 'false', requires authentication to access the server's public rooms directory through the client API and forbids any other homeserver to fetch the server's public rooms directory via federation."
 
+    [synapse_config.client_config]
+    name = "Matrix client configuration"
+
+        [synapse_config.client_config.jitsi_server]
+        ask = "Jitsi server address for conference"
+        type = "string"
+        default = 'jitsi.riot.im'
+        help = "Address of the Jitsi server for conference. Note that it's only for conference in rooms with more than 2 person. With 2 person the stun/turn server is used."
 
 [package_config]
 name = "Package configuration"
diff --git a/manifest.json b/manifest.json
index 93c5bdc..39eac76 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,8 +3,8 @@
 	"id": "synapse",
 	"packaging_format": 1,
 	"description": {
-		"en": "Instant messaging server who use matrix",
-		"fr": "Un serveur de messagerie instantané basé sur matrix"
+		"en": "Instant messaging server which uses Matrix",
+		"fr": "Un serveur de messagerie instantané basé sur Matrix"
 	},
 	"version": "1.12.4~ynh1",
 	"url": "http://matrix.org",
@@ -35,8 +35,8 @@
 				"name": "server_name",
 				"type": "string",
 				"ask": {
-					"en": "If your synapse domain is a subdomain, you can choose a name for your Synapse server to have your matrix user-ids looking like @user:domain.org instead of @user:synapse.domain.org",
-					"fr": "Si votre domaine pour synapse est un sous-domaine, vous pouvez choisir un nom pour votre serveur Synapse afin que vos identifiants matrix soient @utilisateur:domain.org plutôt que @utilisateur:synapse.domain.org"
+					"en": "If your Synapse domain is a subdomain, you can choose a name for your Synapse server to have your Matrix user-ids looking like @user:domain.org instead of @user:synapse.domain.org",
+					"fr": "Si votre domaine pour Synapse est un sous-domaine, vous pouvez choisir un nom pour votre serveur Synapse afin que vos identifiants Matrix soient @utilisateur:domain.org plutôt que @utilisateur:synapse.domain.org"
 				},
 				"example": "domain.org",
 				"default": "Same than the domain"
@@ -45,7 +45,7 @@
 				"name": "is_public",
 				"type": "boolean",
 				"ask": {
-					"en": "Is it a public server ?",
+					"en": "Is it a public server?",
 					"fr": "Est-ce un serveur public ?"
 				},
 				"default": false,
@@ -53,6 +53,16 @@
 					"en": "A public server means that anybody will be able to register on this server.",
 					"fr": "Un serveur public signifie que n'importe qui pourra s'enregistrer sur ce serveur."
 				}
+			},
+			{
+				"name": "jitsi_server",
+				"type": "string",
+				"ask": {
+					"en": "Jitsi server address for conferencing?",
+					"fr": "Adresse du serveur Jitsi pour les conférences ?"
+				},
+				"example": "domain.org",
+				"default": "jitsi.riot.im"
 			}
 		]
 	}
diff --git a/scripts/change_url b/scripts/change_url
index 833f8c7..cbd5146 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -80,6 +80,7 @@ then
     cp ../conf/server_name.conf /etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf
     ynh_replace_string --match_string=__DOMAIN__ --replace_string=$domain --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
     ynh_replace_string --match_string=__PORT__ --replace_string=$synapse_tls_port --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
+    ynh_replace_string --match_string=__JITSI_SERVER_ADDR__ --replace_string=$jitsi_server --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
     ynh_store_file_checksum --file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
 fi
 
@@ -127,11 +128,13 @@ ynh_print_ON
 
 ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file="/etc/matrix-$app/log.yaml"
 
-if [ "$is_public" = "0" ]
+if [ $is_public -eq 0 ]
 then
     ynh_replace_string --match_string=__ALLOWED_ACCESS__ --replace_string=False --target_file="$homeserver_config_path"
+    ynh_replace_string --match_string=__SSO_ENABLED__ --replace_string=True --target_file="$homeserver_config_path"
 else
     ynh_replace_string --match_string=__ALLOWED_ACCESS__ --replace_string=True --target_file="$homeserver_config_path"
+    ynh_replace_string --match_string=__SSO_ENABLED__ --replace_string=False --target_file="$homeserver_config_path"
 fi
 
 ynh_store_file_checksum --file="$homeserver_config_path"
diff --git a/scripts/config b/scripts/config
index 582723a..6a4f2c5 100644
--- a/scripts/config
+++ b/scripts/config
@@ -22,8 +22,9 @@ source ./_common.sh
 app=$YNH_APP_INSTANCE_NAME
 report_stats=$(ynh_app_setting_get --app $app --key report_stats)
 allow_public_rooms=$(ynh_app_setting_get --app=$app --key=allow_public_rooms)
-backup_before_upgrade=$(ynh_app_setting_get --app $app --key disable_backup_before_upgrade)
+disable_backup_before_upgrade=$(ynh_app_setting_get --app $app --key disable_backup_before_upgrade)
 is_public=$(ynh_app_setting_get --app $app --key is_public)
+jitsi_server=$(ynh_app_setting_get --app=$app --key=jitsi_server)
 
 #=================================================
 # SHOW_CONFIG FUNCTION FOR 'SHOW' COMMAND
@@ -34,20 +35,15 @@ show_config() {
     # ynh_return "YNH_CONFIG_${PANEL_ID}_${SECTION_ID}_${OPTION_ID}=value"
     ynh_return "YNH_CONFIG_SYNAPSE_CONFIG_SERVER_CONFIG_SERVER_STATISTICS=$report_stats"
     ynh_return "YNH_CONFIG_SYNAPSE_CONFIG_SERVER_CONFIG_ALLOW_PUBLIC_ROOMS=$allow_public_rooms"
+    ynh_return "YNH_CONFIG_SYNAPSE_CONFIG_CLIENT_CONFIG_JITSI_SERVER=$jitsi_server"
+    ynh_return "YNH_CONFIG_SYNAPSE_CONFIG_SERVER_CONFIG_IS_PUBLIC=${is_public}"
 
-    if [[ ${backup_before_upgrade:-0} -eq 1 ]]
+    if [[ ${disable_backup_before_upgrade:-0} -eq 1 ]]
     then
         ynh_return "YNH_CONFIG_PACKAGE_CONFIG_PACKAGE_CONFIG_BACKUP_BEFORE_UPGRADE=false"
     else
         ynh_return "YNH_CONFIG_PACKAGE_CONFIG_PACKAGE_CONFIG_BACKUP_BEFORE_UPGRADE=true"
     fi
-
-    if [[ ${is_public} -eq 1 ]]
-    then
-        ynh_return "YNH_CONFIG_SYNAPSE_CONFIG_SERVER_CONFIG_IS_PUBLIC=true"
-    else
-        ynh_return "YNH_CONFIG_SYNAPSE_CONFIG_SERVER_CONFIG_IS_PUBLIC=false"
-    fi
 }
 
 #=================================================
@@ -57,17 +53,21 @@ show_config() {
 apply_config() {
     report_stats=${YNH_CONFIG_SYNAPSE_CONFIG_SERVER_CONFIG_SERVER_STATISTICS:-$report_stats}
     allow_public_rooms=${YNH_CONFIG_SYNAPSE_CONFIG_SERVER_CONFIG_ALLOW_PUBLIC_ROOMS:-$allow_public_rooms}
-    backup_before_upgrade=${YNH_CONFIG_PACKAGE_CONFIG_PACKAGE_CONFIG_BACKUP_BEFORE_UPGRADE:-$backup_before_upgrade}
+    do_backup_before_upgrade=${YNH_CONFIG_PACKAGE_CONFIG_PACKAGE_CONFIG_BACKUP_BEFORE_UPGRADE:-}
     is_public=${YNH_CONFIG_SYNAPSE_CONFIG_SERVER_CONFIG_IS_PUBLIC:-$is_public}
+    jitsi_server=${YNH_CONFIG_SYNAPSE_CONFIG_CLIENT_CONFIG_JITSI_SERVER:-$jitsi_server}
 
     ynh_app_setting_set --app $app --key report_stats --value $report_stats
     ynh_app_setting_set --app $app --key allow_public_rooms --value $allow_public_rooms
     ynh_app_setting_set --app $app --key is_public --value $is_public
+    ynh_app_setting_set --app $app --key jitsi_server --value $jitsi_server
 
-    if [ $backup_before_upgrade == 1 ]; then
-        ynh_app_setting_set --app $app --key disable_backup_before_upgrade --value 0
-    else
-        ynh_app_setting_set --app $app --key disable_backup_before_upgrade --value 1
+    if [[ -n $do_backup_before_upgrade ]]; then
+        if [ $do_backup_before_upgrade -eq 1 ]; then
+            ynh_app_setting_set --app $app --key disable_backup_before_upgrade --value 0
+        else
+            ynh_app_setting_set --app $app --key disable_backup_before_upgrade --value 1
+        fi
     fi
 
     domain=$(ynh_app_setting_get --app $app --key domain)
@@ -96,7 +96,6 @@ apply_config() {
     ynh_backup_if_checksum_is_different "$homeserver_config_path"
 
     cp ../conf/homeserver.yaml "$homeserver_config_path"
-    cp ../conf/log.yaml /etc/matrix-$app/log.yaml
 
     ynh_replace_string --match_string __APP__ --replace_string $app --target_file "$homeserver_config_path"
     ynh_replace_string --match_string __DOMAIN__ --replace_string $domain --target_file "$homeserver_config_path"
@@ -121,17 +120,30 @@ apply_config() {
         ynh_replace_special_string --match_string=__MACAROON_SECRET_KEY__ --replace_string="$macaroon_secret_key" --target_file="$homeserver_config_path"
     fi
 
-    if [ "$is_public" = "0" ]
+    if [ $is_public -eq 0 ]
     then
-        ynh_replace_string __ALLOWED_ACCESS__ False "$homeserver_config_path"
+        ynh_replace_string --match_string=__ALLOWED_ACCESS__ --replace_string=False --target_file="$homeserver_config_path"
+        ynh_replace_string --match_string=__SSO_ENABLED__ --replace_string=True --target_file="$homeserver_config_path"
     else
-        ynh_replace_string __ALLOWED_ACCESS__ True "$homeserver_config_path"
+        ynh_replace_string --match_string=__ALLOWED_ACCESS__ --replace_string=True --target_file="$homeserver_config_path"
+        ynh_replace_string --match_string=__SSO_ENABLED__ --replace_string=False --target_file="$homeserver_config_path"
+    fi
+
+    # Create .well-known redirection for access by federation
+    if yunohost --output-as plain domain list | grep -q "^$server_name$"
+    then
+        cp ../conf/server_name.conf /etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf
+        ynh_replace_string --match_string=__DOMAIN__ --replace_string=$domain --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
+        ynh_replace_string --match_string=__PORT__ --replace_string=$synapse_tls_port --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
+        ynh_replace_string --match_string=__JITSI_SERVER_ADDR__ --replace_string=$jitsi_server --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
+        ynh_store_file_checksum --file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
     fi
 
     ynh_store_file_checksum --file "$homeserver_config_path"
     setfacl -R -m user:turnserver:rX  /etc/matrix-$app
 
     systemctl restart matrix-$app
+    systemctl reload nginx
 }
 
 #=================================================
diff --git a/scripts/install b/scripts/install
index 58285fe..eb98c2c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -49,6 +49,7 @@ default_domain_value="Same than the domain"
 domain=$YNH_APP_ARG_DOMAIN
 server_name=$YNH_APP_ARG_SERVER_NAME
 is_public=$YNH_APP_ARG_IS_PUBLIC
+jitsi_server=$YNH_APP_ARG_JITSI_SERVER
 path_url="/_matrix"
 final_path="/opt/yunohost/matrix-$app"
 final_www_path="/var/www/$app"
@@ -77,6 +78,7 @@ ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=no_sso --value true
 ynh_app_setting_set --app=$app --key=server_name --value=$server_name
+ynh_app_setting_set --app=$app --key=jitsi_server --value=$jitsi_server
 ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 ynh_app_setting_set --app=$app --key=synapse_version --value=$upstream_version
 ynh_app_setting_set --app=$app --key=is_public --value=$is_public
@@ -268,17 +270,19 @@ ynh_script_progression --message="Configuring nginx web server..." --weight=2
 ynh_script_progression --message="Configuring application..."
 ynh_add_fpm_config
 
-ynh_add_nginx_config app
-
 # Create .well-known redirection for access by federation
 if yunohost --output-as plain domain list | grep -q "^$server_name$"
 then
     cp ../conf/server_name.conf /etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf
     ynh_replace_string --match_string=__DOMAIN__ --replace_string=$domain --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
     ynh_replace_string --match_string=__PORT__ --replace_string=$synapse_tls_port --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
+    ynh_replace_string --match_string=__JITSI_SERVER_ADDR__ --replace_string=$jitsi_server --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
     ynh_store_file_checksum --file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
 fi
 
+# Create a dedicated nginx config
+ynh_add_nginx_config app
+
 #=================================================
 # SET SYNAPSE CONFIG
 #=================================================
@@ -322,8 +326,10 @@ ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file="/
 if [ $is_public -eq 0 ]
 then
     ynh_replace_string --match_string=__ALLOWED_ACCESS__ --replace_string=False --target_file="$homeserver_config_path"
+    ynh_replace_string --match_string=__SSO_ENABLED__ --replace_string=True --target_file="$homeserver_config_path"
 else
     ynh_replace_string --match_string=__ALLOWED_ACCESS__ --replace_string=True --target_file="$homeserver_config_path"
+    ynh_replace_string --match_string=__SSO_ENABLED__ --replace_string=False --target_file="$homeserver_config_path"
 fi
 
 ynh_store_file_checksum --file="$homeserver_config_path"
diff --git a/scripts/upgrade b/scripts/upgrade
index cf4ba14..8239b74 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -19,6 +19,7 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 server_name=$(ynh_app_setting_get --app=$app --key=server_name)
+jitsi_server=$(ynh_app_setting_get --app=$app --key=jitsi_server)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 synapse_old_version=$(ynh_app_setting_get --app=$app --key=synapse_version)
@@ -107,7 +108,13 @@ fi
 # Define $server_name if not already defined
 if [ -z $server_name ]; then
    server_name=$domain
-   ynh_app_setting_set $app server_name  $domain
+   ynh_app_setting_set --app=$app --key=server_name --value=$domain
+fi
+
+# Define $server_name if not already defined
+if [ -z $jitsi_server ]; then
+   jitsi_server='jitsi.riot.im'
+   ynh_app_setting_set --app=$app --key=jitsi_server --value=$jitsi_server
 fi
 
 #=================================================
@@ -268,11 +275,13 @@ ynh_print_ON
 
 ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file="/etc/matrix-$app/log.yaml"
 
-if [ "$is_public" = "0" ]
+if [ $is_public -eq 0 ]
 then
     ynh_replace_string --match_string=__ALLOWED_ACCESS__ --replace_string=False --target_file="$homeserver_config_path"
+    ynh_replace_string --match_string=__SSO_ENABLED__ --replace_string=True --target_file="$homeserver_config_path"
 else
     ynh_replace_string --match_string=__ALLOWED_ACCESS__ --replace_string=True --target_file="$homeserver_config_path"
+    ynh_replace_string --match_string=__SSO_ENABLED__ --replace_string=False --target_file="$homeserver_config_path"
 fi
 
 ynh_store_file_checksum --file="$homeserver_config_path"
@@ -354,18 +363,19 @@ ynh_script_progression --message="Upgrading nginx web server configuration..." -
 ynh_script_progression --message="Configuring application..."
 ynh_add_fpm_config
 
-# Create a dedicated nginx config
-ynh_add_nginx_config app
-
 # Create .well-known redirection for access by federation
 if yunohost --output-as plain domain list | grep -q "^$server_name$"
 then
     cp ../conf/server_name.conf /etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf
     ynh_replace_string --match_string=__DOMAIN__ --replace_string=$domain --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
     ynh_replace_string --match_string=__PORT__ --replace_string=$synapse_tls_port --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
+    ynh_replace_string --match_string=__JITSI_SERVER_ADDR__ --replace_string=$jitsi_server --target_file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
     ynh_store_file_checksum --file="/etc/nginx/conf.d/${server_name}.d/${app}_server_name.conf"
 fi
 
+# Create a dedicated nginx config
+ynh_add_nginx_config app
+
 #=================================================
 # SPECIFIC UPGRADE
 #=================================================
diff --git a/sources/Coturn_config_rotate.sh b/sources/Coturn_config_rotate.sh
index e01c3fc..e1a99ac 100644
--- a/sources/Coturn_config_rotate.sh
+++ b/sources/Coturn_config_rotate.sh
@@ -23,10 +23,15 @@ else
     external_IP_line="${external_IP_line/',__IPV6__'/}"
 fi
 
+old_config_line=$(egrep "^external-ip=.*\$" "/etc/matrix-$app_instance/coturn.conf")
 ynh_replace_string "^external-ip=.*\$" "$external_IP_line" "/etc/matrix-$app_instance/coturn.conf"
+new_config_line=$(egrep "^external-ip=.*\$" "/etc/matrix-$app_instance/coturn.conf")
 
 setfacl -R -m user:turnserver:rX  /etc/matrix-$app_instance
 
-systemctl restart coturn-$app_instance.service
+if [ "$old_config_line" != "$new_config_line" ]
+then
+    systemctl restart coturn-$app_instance.service
+fi
 
 exit 0