diff --git a/packages/context/package.json b/packages/context/package.json
index 2679295d0..b5533d651 100644
--- a/packages/context/package.json
+++ b/packages/context/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@axa-fr/react-oidc-context",
-  "version": "4.4.0-alpha.0",
+  "version": "4.5.0-alpha.0",
   "private": false,
   "main": "dist/index.js",
   "jsnext:main": "dist/index.js",
diff --git a/packages/context/src/MultiAuth.tsx b/packages/context/src/MultiAuth.tsx
index 705cf7a19..b34eacf8b 100644
--- a/packages/context/src/MultiAuth.tsx
+++ b/packages/context/src/MultiAuth.tsx
@@ -32,9 +32,10 @@ if(!sessionStorage.configurationName){
 export const MultiAuthContainer = () => {
     const [configurationName, setConfigurationName] = useState(sessionStorage.configurationName);
     const callBack = window.location.origin+"/multi-auth/authentification/callback2";
+    const silent_redirect_uri = window.location.origin+"/multi-auth/authentification/silent-callback2";
     const configurations = {
-        "config_1": {...configurationIdentityServer, redirect_uri:callBack},
-        "config_2": {...configurationIdentityServer, redirect_uri:callBack, scope: 'openid profile email api'}
+        "config_1": {...configurationIdentityServer, redirect_uri:callBack, silent_redirect_uri},
+        "config_2": {...configurationIdentityServer, redirect_uri:callBack, silent_redirect_uri, scope: 'openid profile email api'}
     }
     const handleConfigurationChange = (event) => {
         const configurationName = event.target.value;
diff --git a/packages/context/src/configurations.ts b/packages/context/src/configurations.ts
index 5c2be86b5..28589e52f 100644
--- a/packages/context/src/configurations.ts
+++ b/packages/context/src/configurations.ts
@@ -1,6 +1,7 @@
 export const configurationIdentityServer = {
     client_id: 'interactive.public.short', //  interactive.public.short
     redirect_uri: window.location.origin+'/authentication/callback', // http://localhost:4200/authentication/callback
+    silent_redirect_uri: window.location.origin+'/authentication/silent-callback',
     scope: 'openid profile email api offline_access',
     authority: 'https://demo.identityserver.io',
     refresh_time_before_tokens_expiration_in_second: 70,
diff --git a/packages/context/src/oidc/OidcProvider.tsx b/packages/context/src/oidc/OidcProvider.tsx
index e363451b8..707a97746 100644
--- a/packages/context/src/oidc/OidcProvider.tsx
+++ b/packages/context/src/oidc/OidcProvider.tsx
@@ -135,7 +135,8 @@ sessionLostComponent=SessionLost }) => {
                         <LoadingComponent/>
                     ) : (
                             <>
-                                  <OidcRoutes redirect_uri={configuration.redirect_uri} 
+                                  <OidcRoutes redirect_uri={configuration.redirect_uri}
+                                              silent_redirect_uri={configuration.silent_redirect_uri}
                                               callbackSuccessComponent={callbackSuccessComponent} 
                                               callbackErrorComponent={callbackErrorComponent}
                                               authenticatingComponent={authenticatingComponent}
diff --git a/packages/context/src/oidc/core/default-component/SilentCallback.component.tsx b/packages/context/src/oidc/core/default-component/SilentCallback.component.tsx
new file mode 100644
index 000000000..674c6aa8c
--- /dev/null
+++ b/packages/context/src/oidc/core/default-component/SilentCallback.component.tsx
@@ -0,0 +1,28 @@
+import React, { useEffect, useState, PropsWithChildren} from 'react';
+import Oidc from "../../vanilla/oidc";
+import {OidcSecure} from "../../OidcSecure";
+
+const CallBak = ({configurationName}) =>{
+    const getOidc =  Oidc.get;
+    useEffect(() => {
+        let isMounted = true;
+        const playCallbackAsync = async () => {
+            const oidc = getOidc(configurationName);
+            oidc.silentSigninCallbackFromIFrame();
+        };
+        playCallbackAsync();
+        return  () => {
+            isMounted = false;
+        };
+    },[]);
+
+    return <></>;
+}
+
+const CallbackManager: PropsWithChildren<any> = ({configurationName }) => {
+    return <OidcSecure>
+        <CallBak configurationName={configurationName}/>
+    </OidcSecure>;
+};
+
+export default CallbackManager;
\ No newline at end of file
diff --git a/packages/context/src/oidc/core/routes/OidcRoutes.tsx b/packages/context/src/oidc/core/routes/OidcRoutes.tsx
index c44908b14..d969dc9a8 100644
--- a/packages/context/src/oidc/core/routes/OidcRoutes.tsx
+++ b/packages/context/src/oidc/core/routes/OidcRoutes.tsx
@@ -2,6 +2,7 @@ import React, { ComponentType, FC, PropsWithChildren, useEffect, useState } from
 import PropTypes from 'prop-types';
 import { getPath } from './route-utils';
 import CallbackComponent from '../default-component/Callback.component';
+import SilentCallbackComponent from "../default-component/SilentCallback.component";
 import ServiceWorkerInstall from "../default-component/ServiceWorkerInstall.component";
 
 const propTypes = {
@@ -20,6 +21,7 @@ type OidcRoutesProps = {
   authenticatingComponent?: ComponentType;
   configurationName:string;
   redirect_uri: string;
+  silent_redirect_uri?: string;
 };
 
 const OidcRoutes: FC<PropsWithChildren<OidcRoutesProps>> = ({
@@ -27,6 +29,7 @@ const OidcRoutes: FC<PropsWithChildren<OidcRoutesProps>> = ({
   callbackSuccessComponent,
                                                               authenticatingComponent,  
                                                               redirect_uri,
+                                                              silent_redirect_uri,
   children, configurationName
 }) => {
   // This exist because in next.js window outside useEffect is null
@@ -43,6 +46,12 @@ const OidcRoutes: FC<PropsWithChildren<OidcRoutesProps>> = ({
   
   const callbackPath = getPath(redirect_uri);
 
+  if(silent_redirect_uri){
+    if(path === getPath(silent_redirect_uri)){
+      return <SilentCallbackComponent configurationName={configurationName} />
+    }
+  }
+
   switch (path) {
     case callbackPath:
       return <CallbackComponent callBackError={callbackErrorComponent} callBackSuccess={callbackSuccessComponent} configurationName={configurationName} />;
diff --git a/packages/context/src/oidc/vanilla/initWorker.ts b/packages/context/src/oidc/vanilla/initWorker.ts
index 823dd03bd..1728421ee 100644
--- a/packages/context/src/oidc/vanilla/initWorker.ts
+++ b/packages/context/src/oidc/vanilla/initWorker.ts
@@ -1,4 +1,6 @@
-function get_browser() {
+import timer from "./timer"
+
+function get_browser() {
     let ua = navigator.userAgent, tem,
         M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
     if(/trident/i.test(M[1])){
@@ -30,8 +32,8 @@
 
 let keepAliveServiceWorkerTimeoutId = null;
 
-const sleepAsync = (milliseconds) => {
-    return new Promise(resolve => setTimeout(resolve, milliseconds))
+export const sleepAsync = (milliseconds) => {
+    return new Promise(resolve => timer.setTimeout(resolve, milliseconds))
 }
 
 const keepAlive = () => {
diff --git a/packages/context/src/oidc/vanilla/oidc.ts b/packages/context/src/oidc/vanilla/oidc.ts
index 41d71d2cf..f12fd66aa 100644
--- a/packages/context/src/oidc/vanilla/oidc.ts
+++ b/packages/context/src/oidc/vanilla/oidc.ts
@@ -11,7 +11,7 @@ import {
     TokenRequest
 } from '@openid/appauth';
 import {NoHashQueryStringUtils} from './noHashQueryStringUtils';
-import {initWorkerAsync} from './initWorker'
+import {initWorkerAsync, sleepAsync} from './initWorker'
 import {MemoryStorageBackend} from "./memoryStorageBackend";
 import {initSession} from "./initSession";
 import timer from './timer';
@@ -50,6 +50,7 @@ export interface StringMap {
  export type Configuration = {
     client_id: string,
     redirect_uri: string,
+     silent_redirect_uri?:string,
     scope: string,
     authority: string,
     refresh_time_before_tokens_expiration_in_second?: number,
@@ -168,8 +169,13 @@ const eventNames = {
     tryKeepExistingSessionAsync_begin: "tryKeepExistingSessionAsync_begin",
     tryKeepExistingSessionAsync_end: "tryKeepExistingSessionAsync_end",
     tryKeepExistingSessionAsync_error: "tryKeepExistingSessionAsync_error",
+    silentSigninAsync_begin: "silentSigninAsync_begin",
+    silentSigninAsync_end: "silentSigninAsync_end",
+    silentSigninAsync_error: "silentSigninAsync_error",
 }
 
+let isSilentSignin = false;
+
 export class Oidc {
     public configuration: Configuration;
     public userInfo: null;
@@ -224,7 +230,63 @@ export class Oidc {
         return oidcDatabase[name];
     }
     static eventNames = eventNames;
+    
+    silentSigninCallbackFromIFrame(){
+        window.top.postMessage('oidc_tokens:' + JSON.stringify(this.tokens), window.location.origin);
+    }
+    async silentSigninAsync() {
+        if (!this.configuration.silent_redirect_uri) {
+            return Promise.resolve(null);
+        }
+        while (isSilentSignin) {
+            console.log("while" +this.configurationName);
+            await sleepAsync(50);
+        }
+        isSilentSignin = true;
+        this.publishEvent(eventNames.silentSigninAsync_begin, {});
+        const link = this.configuration.silent_redirect_uri;
+        const iframe = document.createElement('iframe');
+        iframe.width = "0px";
+        iframe.height = "0px";
+        iframe.id = `${this.configurationName}_oidc_iframe`;
+        iframe.setAttribute("src", link);
+        document.body.appendChild(iframe);
+        const self = this;
+        const promise = new Promise((resolve, reject) => {
+            try {
+                let isResolved = false;
+                window.onmessage = function (e) {
+                    
+                    if (e.data && typeof (e.data) === "string" && e.data.startsWith('oidc_tokens:')) {
+                        console.log("ici" +self.configurationName);
+                        if (!isResolved) {
+                            self.publishEvent(eventNames.silentSigninAsync_end, {});
+                            resolve(JSON.parse(e.data.replace('oidc_tokens:', '')));
+                            iframe.remove();
+                            isResolved = true;
+                            isSilentSignin = false;
+                        }
+                    }
+                };
 
+                setTimeout(() => {
+                    if (!isResolved) {
+                        reject("timeout");
+                        self.publishEvent(eventNames.silentSigninAsync_error, new Error("timeout"));
+                        iframe.remove();
+                        isResolved = true;
+                        isSilentSignin = false;
+                    }
+                }, 4000);
+            } catch (e) {
+                iframe.remove();
+                reject(e);
+                self.publishEvent(eventNames.silentSigninAsync_error, e);
+                isSilentSignin = false;
+            }
+        });
+        return promise;
+    }
     async initAsync(authority) {
         const oidcServerConfiguration = await AuthorizationServiceConfiguration.fetchFromIssuer(authority, new FetchRequestor());
         return oidcServerConfiguration;
@@ -432,6 +494,14 @@ export class Oidc {
             return token_response;
         } catch(exception) {
             console.error(exception);
+            const silent_token_response =await this.silentSigninAsync();
+            if(silent_token_response){
+                console.log("tokens" +this.configurationName);
+                console.log(silent_token_response);
+                
+                return silent_token_response;
+            }
+            
             this.publishEvent( silentEvent ? eventNames.refreshTokensAsync_silent_error :eventNames.refreshTokensAsync_error, exception);
             return null;
         }
diff --git a/packages/vanilla/package.json b/packages/vanilla/package.json
index 163f3b78a..1f2216646 100644
--- a/packages/vanilla/package.json
+++ b/packages/vanilla/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@axa-fr/vanilla-oidc",
-  "version": "4.4.0",
+  "version": "4.5.0-alpha.0",
   "private": false,
   "main": "dist/index.js",
   "jsnext:main": "dist/index.js",