diff --git a/.gitignore b/.gitignore
index 575868ff..9c01e7ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,5 @@ yarn-error.log*
 
 /junit.xml
 /test/jest/coverage
+
+quasar.conf.dev.js
diff --git a/quasar.conf.dev.proxy.js b/quasar.conf.dev.proxy.js
new file mode 100644
index 00000000..4a641d07
--- /dev/null
+++ b/quasar.conf.dev.proxy.js
@@ -0,0 +1,7 @@
+
+module.exports = {
+    public: '',
+    publicPath: '/v2/',
+    proxyAPI2localhost: true,
+    proxyAPIFromURL: 'https://{{sipwiseVoipPlatformIPorFDQN}}'
+}
diff --git a/quasar.conf.js b/quasar.conf.js
index 0155f202..cf86ade1 100644
--- a/quasar.conf.js
+++ b/quasar.conf.js
@@ -1,3 +1,4 @@
+/* eslint-env node */
 /*
  * This file runs in a Node context (it's NOT transpiled by Babel), so use only
  * the ES6 features that are supported by your Node version. https://node.green/
@@ -5,9 +6,18 @@
 
 // Configuration for your app
 // https://quasar.dev/quasar-cli/quasar-conf-js
-/* eslint-env node */
+module.exports = function (ctx) {
+    let devServerConfig = {}
+    try {
+        devServerConfig = (ctx.dev) ? require('./quasar.conf.dev.js') : {}
+    } catch (e) {
+        if (e.code === 'MODULE_NOT_FOUND') {
+            devServerConfig = {}
+        } else {
+            throw e
+        }
+    }
 
-module.exports = function (/* ctx */) {
     return {
         // https://quasar.dev/quasar-cli/supporting-ts
         supportTS: false,
@@ -88,7 +98,24 @@ module.exports = function (/* ctx */) {
         devServer: {
             https: false,
             port: 8080,
-            open: true // opens browser window automatically
+            open: true, // opens browser window automatically,
+            public: devServerConfig.public,
+            publicPath: devServerConfig.publicPath,
+            ...(!devServerConfig.proxyAPI2localhost ? {} : {
+                https: true,
+                publicPath: devServerConfig.publicPath || '/v2/',
+                proxy: {
+                    [`!${devServerConfig.publicPath || '/v2/'}`]: {
+                        target: devServerConfig.proxyAPIFromURL,
+                        secure: false
+                    }
+                },
+                before: function (app, server, compiler) {
+                    app.get('/', function (req, res) {
+                        res.redirect(301, devServerConfig.publicPath || '/v2/')
+                    })
+                }
+            })
         },
 
         // https://quasar.dev/quasar-cli/quasar-conf-js#Property%3A-framework
diff --git a/src/boot/config.js b/src/boot/config.js
index 640ef1fe..35990200 100644
--- a/src/boot/config.js
+++ b/src/boot/config.js
@@ -5,6 +5,7 @@ import config from 'src/config'
 Vue.use({
     install (Vue, options) {
         Vue.$config = config
+        Vue.prototype.$config = config
     }
 })
 
diff --git a/src/components/CscMainMenuTop.vue b/src/components/CscMainMenuTop.vue
index 9cfe6e21..31383373 100644
--- a/src/components/CscMainMenuTop.vue
+++ b/src/components/CscMainMenuTop.vue
@@ -48,7 +48,9 @@ export default {
             'isRtcEngineUiVisible',
             'isPbxEnabled',
             'hasFaxCapability',
-            'hasSubscriberProfileAttribute'
+            'hasSubscriberProfileAttribute',
+            'getCustomerId',
+            'isOldCSCProxyingAllowed'
         ]),
         items () {
             return [
@@ -200,6 +202,12 @@ export default {
                     icon: 'devices',
                     label: this.$t('Registered Devices'),
                     visible: true
+                },
+                {
+                    to: '/customer/' + this.getCustomerId + '/details',
+                    icon: 'far fa-address-card',
+                    label: this.$t('Customer Details'),
+                    visible: this.isOldCSCProxyingAllowed
                 }
             ]
         }
diff --git a/src/i18n/en.json b/src/i18n/en.json
index fbb13bdf..95a9a891 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -178,6 +178,7 @@
     "Custom Announcement": "Custom Announcement",
     "Custom Announcements": "Custom Announcements",
     "Custom sound": "Custom sound",
+    "Customer Details": "Customer Details",
     "Daily": "Daily",
     "Default": "Default",
     "Default For Subscribers": "Default For Subscribers",
diff --git a/src/i18n/index.js b/src/i18n/index.js
index fba5e377..f48eb6b1 100644
--- a/src/i18n/index.js
+++ b/src/i18n/index.js
@@ -5,6 +5,7 @@ import localeIt from './it.json'
 import localeEs from './es.json'
 import localeDe from './de.json'
 import localeRu from './ru.json'
+import { i18n } from 'src/boot/i18n'
 
 export const defaultLocale = 'en-US'
 
@@ -43,3 +44,25 @@ function patchKeysForFallback (messages = {}) {
     })
     return messages
 }
+
+/**
+ * It converts language code from V2 (new CSC) to V1 UI (old Panel CSC) format
+ * @param {string} lang
+ * @returns {string}
+ */
+export function convertLangV2toV1 (lang) {
+    return lang === 'en-US' ? 'en' : lang
+}
+
+/**
+ * It converts language code from V1 (old Panel CSC) to V2 UI (new CSC) format
+ * @param {string} lang
+ * @returns {string}
+ */
+export function convertLangV1toV2 (lang) {
+    return ['en', 'i-default'].includes(lang) ? 'en-US' : lang
+}
+
+export function getCurrentLangAsV1Format () {
+    return convertLangV2toV1(i18n.locale)
+}
diff --git a/src/pages/Proxy.vue b/src/pages/Proxy.vue
new file mode 100644
index 00000000..e2160514
--- /dev/null
+++ b/src/pages/Proxy.vue
@@ -0,0 +1,159 @@
+<template>
+    <div
+        class="proxy-iframe-wrapper flex flex-center"
+    >
+        <iframe
+            v-show="loaded"
+            ref="proxyIframe"
+            class="proxy-iframe"
+            :src="finalSrc"
+            @load="loadedEvent"
+        />
+        <q-spinner
+            v-if="!loaded"
+            color="primary"
+            size="xl"
+        />
+    </div>
+</template>
+
+<script>
+import _ from 'lodash'
+import {
+    mapActions,
+    mapState
+} from 'vuex'
+import { showGlobalError } from 'src/helpers/ui'
+import { getCurrentLangAsV1Format } from 'src/i18n'
+export default {
+    name: 'Proxy',
+    data () {
+        return {
+            loaded: false
+        }
+    },
+    computed: {
+        ...mapState('user', [
+            'currentPathIframe'
+        ]),
+        language () {
+            return getCurrentLangAsV1Format()
+        },
+        finalSrc () {
+            let url = null
+            if (_.isString(this.$config.baseHttpUrl) && _.trim(this.$config.baseHttpUrl) !== '') {
+                url = new URL(this.$config.baseHttpUrl)
+            } else {
+                url = new URL(location.origin)
+            }
+            url.searchParams.set('framed', '1')
+            url.searchParams.set('lang', this.language)
+            if (this.$route?.meta?.proxyRewrite) {
+                return this.$route?.meta?.proxyRewrite({
+                    route: this.$route,
+                    url: url
+                }).toString()
+            } else {
+                url.pathname = this.$route.path
+                return url.toString()
+            }
+        }
+    },
+    watch: {
+        currentPathIframe (path) {
+            const routeData = this.$router.resolve(path)
+            if (!routeData?.route?.meta?.proxy && !routeData?.route?.meta?.proxyReverseInvisible) {
+                this.$router.push({
+                    path: path
+                })
+            }
+        }
+    },
+    mounted () {
+        window.addEventListener('message', this.trackMessagesFromV1, false)
+    },
+    beforeDestroy () {
+        window.removeEventListener('message', this.trackMessagesFromV1, false)
+    },
+    methods: {
+        ...mapActions('user', [
+            'logout'
+        ]),
+        loadedEvent () {
+            try {
+                const domEl = this.$refs.proxyIframe.contentWindow.document.getElementById('login_page_v1')
+                if (domEl !== null) {
+                    this.logout()
+                    return
+                }
+
+                this.injectDarkUITheme()
+            } catch (err) {
+                console.debug('Session expiration detection is disabled')
+                console.debug(err)
+            } finally {
+                this.loaded = true
+            }
+        },
+        injectDarkUITheme () {
+            const framedWindow = this.$refs.proxyIframe.contentWindow
+            const $ = framedWindow.$
+            const darkThemeCSS = `
+                body {
+                    background: #3b3440; /* $darkBase */
+                    color: white;
+                    overflow: auto;
+                }
+                h1, h2, h3, h4, h5, h6 { color: white; }
+
+                .table-hover, .table-highlight { color: black; }
+                .table-hover tbody tr:hover > td,
+                .table-hover tbody tr:hover > th { background: none; }
+
+                .table-highlight.table-bordered tbody tr td,
+                .table-highlight.table-bordered tbody tr th { background-color: #F0F3F7; }
+
+                .table-highlight.table-bordered thead tr,
+                 table.ngcp-datatable tfoot tr { background: silver; }
+
+                .table-highlight.table-bordered thead th,
+                 table.ngcp-datatable tfoot td {
+                    text-shadow: none;
+                    color: black;
+                    border-left: 1px solid #F1F1F1;
+                    border-right: 1px solid #CCC;
+                    box-shadow: none;
+                }
+
+                .ngcp-modal,
+                .jquery-msgbox { color: #333; }
+                .modal-header { background: silver; border-color: white; }
+                .modal-header h3 { color: black; text-shadow: none; }
+
+                .accordion-inner { border-top: none; }
+            `
+            $(`<style>${darkThemeCSS}</style>`).appendTo(framedWindow.document.head)
+        },
+        trackMessagesFromV1 (event) {
+            if (event?.data?.origin === 'ngcp-panel') {
+                if (event?.data?.error) {
+                    showGlobalError(event.data.error)
+                }
+            }
+            if (event?.data?.origin === 'ngcp-panel-beforeunload') {
+                this.loaded = false
+            }
+        }
+    }
+}
+</script>
+
+<style lang="sass" rel="stylesheet/sass">
+    .proxy-iframe-wrapper
+        height: calc(100vh - 100px)
+        width: 100%
+        .proxy-iframe
+            border: none
+            height: calc(100vh - 100px)
+            width: 100%
+</style>
diff --git a/src/router/routes.js b/src/router/routes.js
index 1e15f4ee..675a79ae 100644
--- a/src/router/routes.js
+++ b/src/router/routes.js
@@ -355,6 +355,21 @@ export default function routes (app) {
                         }
                     }
                 },
+                {
+                    path: '/customer/*',
+                    component: () => import('pages/Proxy'),
+                    meta: {
+                        title: i18n.t('Customer Details'),
+                        subtitle: i18n.t('Customer Details')
+                    },
+                    async beforeEnter (routeTo, routeFrom, next) {
+                        if (app.store.getters['user/isOldCSCProxyingAllowed']) {
+                            next()
+                        } else {
+                            next('/')
+                        }
+                    }
+                },
                 {
                     path: '*',
                     component: CscPageError404,
diff --git a/src/store/user.js b/src/store/user.js
index 316e53d6..40611088 100644
--- a/src/store/user.js
+++ b/src/store/user.js
@@ -173,6 +173,9 @@ export default {
         getSubscriber (state) {
             return state.subscriber
         },
+        getCustomerId (state) {
+            return state.subscriber?.customer_id
+        },
         isPasswordChanging (state) {
             return state.changePasswordState === RequestState.requesting
         },
@@ -199,6 +202,9 @@ export default {
         },
         hasSubscriberProfileAttributes: (state) => (attributes) => {
             return state.profile ? state.profile.attributes.some(item => attributes.includes(item)) : true
+        },
+        isOldCSCProxyingAllowed (state, getters) {
+            return getters.isAdmin && state.platformInfo?.csc_v2_mode === 'mixed' && !!getters.getCustomerId
         }
     },
     mutations: {
diff --git a/t/Dockerfile b/t/Dockerfile
index 40b8e8cb..4ea2d2ba 100644
--- a/t/Dockerfile
+++ b/t/Dockerfile
@@ -5,7 +5,7 @@ FROM docker.mgm.sipwise.com/sipwise-bullseye:latest
 # is updated with the current date. It will force refresh of all
 # of the base images and things like `apt-get update` won't be using
 # old cached versions when the Dockerfile is built.
-ENV REFRESHED_AT 2021-07-07
+ENV REFRESHED_AT 2021-07-08
 ENV DEBIAN_FRONTEND noninteractive
 ENV DISPLAY=:0