diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 22602885d..c441c008b 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -380,8 +380,11 @@ class ApplicationController < ActionController::Base
 
     # config
     config = {}
-    Setting.select('name').where(frontend: true).each { |setting|
-      config[setting.name] = Setting.get(setting.name)
+    Setting.select('name, preferences').where(frontend: true).each { |setting|
+      next if setting.preferences[:authentication] == true && !current_user
+      value = Setting.get(setting.name)
+      next if !current_user && (value == false || value.nil?)
+      config[setting.name] = value
     }
 
     # remember if we can to swich back to user
@@ -390,7 +393,9 @@ class ApplicationController < ActionController::Base
     end
 
     # remember session_id for websocket logon
-    config['session_id'] = session.id
+    if current_user
+      config['session_id'] = session.id
+    end
 
     config
   end
diff --git a/db/migrate/20160817000002_update_setting_cti.rb b/db/migrate/20160817000002_update_setting_cti.rb
new file mode 100644
index 000000000..b9908b914
--- /dev/null
+++ b/db/migrate/20160817000002_update_setting_cti.rb
@@ -0,0 +1,14 @@
+class UpdateSettingCti < ActiveRecord::Migration
+  def up
+    setting = Setting.find_by(name: 'sipgate_integration')
+    setting.frontend = true
+    setting.preferences[:authentication] = true
+    setting.save!
+
+    %w(system_id ticket_hook customer_ticket_create customer_ticket_create_group_ids customer_ticket_view models_searchable tag_new defaults_calendar_subscriptions_tickets).each { |name|
+      setting = Setting.find_by(name: name)
+      setting.preferences[:authentication] = true
+      setting.save!
+    }
+  end
+end
diff --git a/db/seeds.rb b/db/seeds.rb
index 44966d059..2ce3a0120 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -158,7 +158,11 @@ Setting.create_if_not_exists(
     ],
   },
   state: system_id,
-  preferences: { online_service_disable: true, placeholder: true },
+  preferences: {
+    online_service_disable: true,
+    placeholder: true,
+    authentication: true,
+  },
   frontend: true
 )
 Setting.create_if_not_exists(
@@ -1001,7 +1005,11 @@ Setting.create_if_not_exists(
       },
     ],
   },
-  preferences: { render: true, placeholder: true },
+  preferences: {
+    render: true,
+    placeholder: true,
+    authentication: true,
+  },
   state: 'Ticket#',
   frontend: true
 )
@@ -1173,6 +1181,9 @@ Setting.create_if_not_exists(
     ],
   },
   state: true,
+  preferences: {
+    authentication: true,
+  },
   frontend: true
 )
 
@@ -1195,6 +1206,9 @@ Setting.create_if_not_exists(
     ],
   },
   state: '',
+  preferences: {
+    authentication: true,
+  },
   frontend: true
 )
 
@@ -1218,6 +1232,9 @@ Setting.create_if_not_exists(
     ],
   },
   state: true,
+  preferences: {
+    authentication: true,
+  },
   frontend: true
 )
 
@@ -1498,7 +1515,9 @@ Setting.create_if_not_exists(
       },
     ],
   },
-  preferences: { trigger: ['menu:render', 'chat:rerender'] },
+  preferences: {
+    trigger: ['menu:render', 'chat:rerender']
+  },
   state: false,
   frontend: true
 )
@@ -1518,7 +1537,6 @@ Setting.create_if_not_exists(
       },
     ],
   },
-  preferences: {},
   state: '120',
   frontend: true
 )
@@ -1530,6 +1548,9 @@ Setting.create_if_not_exists(
   description: 'Define the models which can be searched for.',
   options: {},
   state: [],
+  preferences: {
+    authentication: true,
+  },
   frontend: true,
 )
 
@@ -1802,6 +1823,9 @@ Setting.create_if_not_exists(
       },
     ],
   },
+  preferences: {
+    authentication: true,
+  },
   state: true,
   frontend: true
 )
@@ -1826,6 +1850,9 @@ Setting.create_if_not_exists(
       not_assigned: false,
     }
   },
+  preferences: {
+    authentication: true,
+  },
   frontend: true
 )
 
@@ -2183,8 +2210,12 @@ Setting.create_if_not_exists(
     ],
   },
   state: false,
-  preferences: { prio: 1, trigger: ['menu:render', 'cti:reload'] },
-  frontend: false
+  preferences: {
+    prio: 1,
+    trigger: ['menu:render', 'cti:reload'],
+    authentication: true,
+  },
+  frontend: true
 )
 Setting.create_if_not_exists(
   title: 'sipgate.io config',