diff --git a/scss/ionic.app.scss b/scss/ionic.app.scss
index 0f87ffadf1912322302ede774f374c8771db26af..a1259a717f57e2feb3c42745a35eca6570424bd3 100644
--- a/scss/ionic.app.scss
+++ b/scss/ionic.app.scss
@@ -1964,11 +1964,20 @@ $ionicon-var-badge-editable: $ionicon-var-edit + "\00a0";
   }
 }
 
+/**********
+   About modal
+**********/
 
 .modal.about .bar.bar-header .button + .title {
   left: 0 !important; /* avoid title offset on large screens, if button are 'visible-xs')'*/
 }
 
+.modal.about {
+  .ion-telegram:before {
+    content: url('../img/logo_telegram.svg');
+  }
+}
+
 /**********
    Item buttons
 **********/
diff --git a/www/i18n/locale-ca.json b/www/i18n/locale-ca.json
index 8c1613b1188c35daab8398d8128db5b3d1157aab..9098fa5800a8c9213f9b7794e3c4faec48b531c0 100644
--- a/www/i18n/locale-ca.json
+++ b/www/i18n/locale-ca.json
@@ -112,7 +112,11 @@
     "CODE": "Codi font:",
     "OFFICIAL_WEB_SITE": "Web oficial:",
     "DEVELOPERS": "Desenvolupat per:",
-    "FORUM": "Fòrum:",
+    "USER_FORUM": "Fòrum d'usuaris:",
+    "TECH_FORUM": "Fòrum Tècnic:",
+    "TELEGRAM": "Grup de Telegram:",
+    "USER_HELP_DIVIDER": "Comunitat",
+    "CONTRIBUTE_DIVIDER": "Contribuir",
     "PLEASE_REPORT_ISSUE": "Si trobeu errors no us ho penseu i informeu-nos",
     "REPORT_ISSUE": "Informa d'un problema"
   },
diff --git a/www/i18n/locale-de-DE.json b/www/i18n/locale-de-DE.json
index 162cbc7c9a861efda715eaea3c1857c6bb3e7460..57ba812b2e68c7aef42d343b4ddb760f6810da00 100644
--- a/www/i18n/locale-de-DE.json
+++ b/www/i18n/locale-de-DE.json
@@ -111,7 +111,11 @@
     "CODE": "Quellcode:",
     "OFFICIAL_WEB_SITE": "Offizielle Webseite:",
     "DEVELOPERS": "Entwickler:",
-    "FORUM": "Forum:",
+    "USER_FORUM": "Benutzerforum:",
+    "TECH_FORUM": "Technisches Forum:",
+    "TELEGRAM": "Telegram-Gruppe:",
+    "USER_HELP_DIVIDER": "Gemeinschaft",
+    "CONTRIBUTE_DIVIDER": "Beitragen",
     "DEV_WARNING": "Warnung",
     "DEV_WARNING_MESSAGE": "Diese Anwendung ist noch in der aktiven Entwicklung.<br/>Bitte melde uns jedes auftretende Problem!",
     "DEV_WARNING_MESSAGE_SHORT": "Diese App ist evtentuell noch instabil(in Entwicklung).",
diff --git a/www/i18n/locale-en-GB.json b/www/i18n/locale-en-GB.json
index 70a4df1cd558fc0301f469260250dde697064ddf..424bb260b9597b8ba284aa3ee1ff98fb5d7ae361 100644
--- a/www/i18n/locale-en-GB.json
+++ b/www/i18n/locale-en-GB.json
@@ -111,7 +111,11 @@
     "CODE": "Source code:",
     "OFFICIAL_WEB_SITE": "Official web site:",
     "DEVELOPERS": "Developers:",
-    "FORUM": "Forum:",
+    "USER_FORUM": "User forum:",
+    "TECH_FORUM": "Technical forum:",
+    "TELEGRAM": "Telegram group:",
+    "USER_HELP_DIVIDER": "Community",
+    "CONTRIBUTE_DIVIDER": "Contribute",
     "PLEASE_REPORT_ISSUE": "Please report any issue to us!",
     "REPORT_ISSUE": "Report an issue",
     "BTN_OPEN_DEV_WINDOW": "Open the debug window"
diff --git a/www/i18n/locale-en.json b/www/i18n/locale-en.json
index 3ad8f8db22291afe0449d38569ee0b12cd5aed8c..2629bf63ceb6c7979592c1ec69504e4b8b87191c 100644
--- a/www/i18n/locale-en.json
+++ b/www/i18n/locale-en.json
@@ -111,7 +111,11 @@
     "CODE": "Source code:",
     "OFFICIAL_WEB_SITE": "Official web site:",
     "DEVELOPERS": "Developers:",
-    "FORUM": "Forum:",
+    "USER_FORUM": "User forum:",
+    "TECH_FORUM": "Technical forum:",
+    "TELEGRAM": "Telegram group:",
+    "USER_HELP_DIVIDER": "Community",
+    "CONTRIBUTE_DIVIDER": "Contribute",
     "PLEASE_REPORT_ISSUE": "Please report any issue to us!",
     "REPORT_ISSUE": "Report an issue",
     "BTN_OPEN_DEV_WINDOW": "Open the debug window"
diff --git a/www/i18n/locale-eo-EO.json b/www/i18n/locale-eo-EO.json
index 5a5dda2647454ebb81c778a7288837dbb322b394..a7e91f8af45524299ab49f657cf62366f5a48aa9 100644
--- a/www/i18n/locale-eo-EO.json
+++ b/www/i18n/locale-eo-EO.json
@@ -111,7 +111,11 @@
     "CODE": "Fonto-kodo:",
     "OFFICIAL_WEB_SITE": "Oficiala retejo:",
     "DEVELOPERS": "Programita de:",
-    "FORUM": "Forumo:",
+    "USER_FORUM": "Uzant-Forumo:",
+    "TECH_FORUM": "Teknika Forumo:",
+    "TELEGRAM": "Telegram-Grupo:",
+    "USER_HELP_DIVIDER": "Komunumo",
+    "CONTRIBUTE_DIVIDER": "Kontribui",
     "PLEASE_REPORT_ISSUE": "Ne hezitu sciigi al ni la renkontitajn fuŝaĵojn",
     "REPORT_ISSUE": "Sciigi problemon",
     "BTN_OPEN_DEV_WINDOW": "Malfermi la fenestron pri malfuŝigado"
diff --git a/www/i18n/locale-es-ES.json b/www/i18n/locale-es-ES.json
index 99e6f21849882a7b7904d6f93b8dde0ef810c008..35e3c48155d8a9ebd4d196b52e6d3d759a297cab 100644
--- a/www/i18n/locale-es-ES.json
+++ b/www/i18n/locale-es-ES.json
@@ -112,7 +112,11 @@
     "CODE": "Código fuente:",
     "OFFICIAL_WEB_SITE": "Web oficial:",
     "DEVELOPERS": "Desarrollado por:",
-    "FORUM": "Foro:",
+    "USER_FORUM": "Foro de usuarios:",
+    "TECH_FORUM": "Foro técnico:",
+    "TELEGRAM": "Grupo de Telegram:",
+    "USER_HELP_DIVIDER": "Comunidad",
+    "CONTRIBUTE_DIVIDER": "Contribuir",
     "PLEASE_REPORT_ISSUE": "No dude en informarnos de anomalías encontradas",
     "REPORT_ISSUE": "Reportar un problema"
   },
diff --git a/www/i18n/locale-fr-FR.json b/www/i18n/locale-fr-FR.json
index 71016cc67c57c226ea302f516b9fc2d43b891843..cb9ae4d3f1063f328179858a55205393aecbb4c6 100644
--- a/www/i18n/locale-fr-FR.json
+++ b/www/i18n/locale-fr-FR.json
@@ -111,9 +111,13 @@
     "CODE": "Code source :",
     "OFFICIAL_WEB_SITE": "Site web officiel :",
     "DEVELOPERS": "Développé par :",
-    "FORUM": "Forum :",
+    "USER_FORUM": "Forum utilisateur:",
+    "TECH_FORUM": "Forum technique :",
+    "TELEGRAM": "Groupe Telegram :",
     "PLEASE_REPORT_ISSUE": "N'hésitez pas à nous remonter les anomalies rencontrées",
     "REPORT_ISSUE": "Remonter un problème",
+    "USER_HELP_DIVIDER": "Communauté",
+    "CONTRIBUTE_DIVIDER": "Contribuer",
     "BTN_OPEN_DEV_WINDOW": "Ouvrir la fenêtre de debuggage"
   },
   "HOME": {
diff --git a/www/i18n/locale-it-IT.json b/www/i18n/locale-it-IT.json
index 3b4edb919d381c24f1f61b1a6e870742738dcff4..eabf04464ba2a14ceaec90ee79af68391e6aad59 100644
--- a/www/i18n/locale-it-IT.json
+++ b/www/i18n/locale-it-IT.json
@@ -111,7 +111,11 @@
     "CODE": "Codice sorgente:",
     "OFFICIAL_WEB_SITE": "Pagina web ufficiale:",
     "DEVELOPERS": "Sviluppatori:",
-    "FORUM": "Forum:",
+    "USER_FORUM": "Forum degli utenti:",
+    "TECH_FORUM": "Forum tecnico:",
+    "TELEGRAM": "Gruppo Telegram:",
+    "USER_HELP_DIVIDER": "Comunità",
+    "CONTRIBUTE_DIVIDER": "Contribuire",
     "PLEASE_REPORT_ISSUE": "Per favore comunicaci qualunque problema!",
     "REPORT_ISSUE": "Comunica un problema",
     "BTN_OPEN_DEV_WINDOW": "Apri la finestra di debug"
diff --git a/www/i18n/locale-nl-NL.json b/www/i18n/locale-nl-NL.json
index ab88116f227fe1c754170bae34e222a3ca089e6c..821a53c01e7f841e3ffe55e7432cba30244fac24 100644
--- a/www/i18n/locale-nl-NL.json
+++ b/www/i18n/locale-nl-NL.json
@@ -102,7 +102,11 @@
     "LICENSE": "<b>Vrije</b> software (GNU AGPLv3 licentie).",
     "CODE": "Broncode:",
     "DEVELOPERS": "Ontwikkelaars:",
-    "FORUM": "Forum:",
+    "USER_FORUM": "Gebruikersforum:",
+    "TECH_FORUM": "Technisch Forum:",
+    "TELEGRAM": "Telegram Groep:",
+    "USER_HELP_DIVIDER": "Gemeenschap",
+    "CONTRIBUTE_DIVIDER": "Bijdragen",
     "DEV_WARNING": "Waarschuwing",
     "DEV_WARNING_MESSAGE": "Deze applicatie is nog in actieve onwikkeling.<br/>Meld ons elk pobleem!",
     "DEV_WARNING_MESSAGE_SHORT": "Deze App is nog instabiel (in ontwikkeling).",
diff --git a/www/i18n/locale-pt-PT.json b/www/i18n/locale-pt-PT.json
index c3c716576b27ecfd570973212f0b77164c6f35b8..52b694cda2d081e5349d23db857ef105a745156b 100644
--- a/www/i18n/locale-pt-PT.json
+++ b/www/i18n/locale-pt-PT.json
@@ -112,7 +112,11 @@
     "CODE": "Código fonte:",
     "OFFICIAL_WEB_SITE": "Site oficial:",
     "DEVELOPERS": "Desenvolvido por:",
-    "FORUM": "Fórum:",
+    "USER_FORUM": "Fórum de usuários:",
+    "TECH_FORUM": "Fórum Técnico:",
+    "TELEGRAM": "Grupo Telegram:",
+    "USER_HELP_DIVIDER": "Comunidade",
+    "CONTRIBUTE_DIVIDER": "Contribuir",
     "PLEASE_REPORT_ISSUE": "Não se iniba de nos informar sobre anomalias encontradas",
     "REPORT_ISSUE": "Reportar um problema"
   },
diff --git a/www/img/logo_telegram.svg b/www/img/logo_telegram.svg
new file mode 100644
index 0000000000000000000000000000000000000000..ec6ee141f46ec1b326576d879093963192fc6d30
--- /dev/null
+++ b/www/img/logo_telegram.svg
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32">
+  <path fill="#444" d="M16 0.5c-8.563 0-15.5 6.938-15.5 15.5s6.938 15.5 15.5 15.5c8.563 0 15.5-6.938 15.5-15.5s-6.938-15.5-15.5-15.5zM23.613 11.119l-2.544 11.988c-0.188 0.85-0.694 1.056-1.4 0.656l-3.875-2.856-1.869 1.8c-0.206 0.206-0.381 0.381-0.781 0.381l0.275-3.944 7.181-6.488c0.313-0.275-0.069-0.431-0.482-0.156l-8.875 5.587-3.825-1.194c-0.831-0.262-0.85-0.831 0.175-1.231l14.944-5.763c0.694-0.25 1.3 0.169 1.075 1.219z"/>
+</svg>
diff --git a/www/js/services/settings-services.js b/www/js/services/settings-services.js
index 988ea9686e16537ee43eda56411104c144d8b01b..34edcd25b3b3d3c00effad00661b1298e1e9be8b 100644
--- a/www/js/services/settings-services.js
+++ b/www/js/services/settings-services.js
@@ -81,6 +81,8 @@ angular.module('cesium.settings.services', ['ngApi', 'cesium.config'])
     sourceLicenseUrl: 'https://git.duniter.org/clients/cesium-grp/cesium/-/raw/master/LICENSE',
     newIssueUrl: "https://git.duniter.org/clients/cesium-grp/cesium/issues/new",
     userForumUrl: "https://forum.monnaie-libre.fr",
+    userTelegramUrl: "https://t.me/monnaielibrejune",
+    techForumUrl: "https://forum.duniter.org",
     latestReleaseUrl: "https://api.github.com/repos/duniter/cesium/releases/latest",
     // FIXME: get release from gitlab
     duniterLatestReleaseUrl: undefined, // disable for now
diff --git a/www/templates/modal_about.html b/www/templates/modal_about.html
index e775eb7ef508ced9035c090305e2f337d21db940..af617cc00691f6f2d7db61593ac0892b67c6d53c 100644
--- a/www/templates/modal_about.html
+++ b/www/templates/modal_about.html
@@ -37,12 +37,25 @@
         </h3>
       </ion-item>
 
+      <div class="item item-divider no-border">
+        <p translate>ABOUT.USER_HELP_DIVIDER</p>
+      </div>
+
       <!-- forum -->
       <ion-item class="item-icon-left">
         <i class="item-image icon ion-chatbubbles"></i>
-        {{'ABOUT.FORUM' | translate}}
+        {{'ABOUT.USER_FORUM' | translate}}
         <h3><a ng-click="openLink($event, $root.settings.userForumUrl)">{{::$root.settings.userForumUrl}}</a></h3>
       </ion-item>
+      <ion-item class="item-icon-left">
+        <i class="item-image icon ion-telegram"></i>
+        {{'ABOUT.TELEGRAM' | translate}}
+        <h3><a ng-click="openLink($event, $root.settings.userTelegramUrl)">{{::$root.settings.userTelegramUrl}}</a></h3>
+      </ion-item>
+
+      <div class="item item-divider no-border">
+        <p translate>ABOUT.CONTRIBUTE_DIVIDER</p>
+      </div>
 
       <!-- report issue -->
       <ion-item class="item-icon-left item-text-wrap">
@@ -60,6 +73,13 @@
         <h3><a ng-click="openLink($event, $root.settings.sourceUrl)">{{$root.settings.sourceUrl}}</a></h3>
       </ion-item>
 
+      <!-- tech forum -->
+      <ion-item class="item-icon-left">
+        <i class="item-image icon ion-chatbubbles"></i>
+        {{'ABOUT.TECH_FORUM' | translate}}
+        <h3><a ng-click="openLink($event, $root.settings.techForumUrl)">{{::$root.settings.techForumUrl}}</a></h3>
+      </ion-item>
+
       <!-- team -->
       <ion-item class="item-icon-left item-text-wrap">
         <i class="item-image icon ion-person-stalker"></i>