diff --git a/application/Address/AddressModel.php b/application/Address/AddressModel.php
index 2a036e121..fe29e8bb8 100644
--- a/application/Address/AddressModel.php
+++ b/application/Address/AddressModel.php
@@ -414,12 +414,18 @@ class AddressModel {
       }
     }
 
-    if (array_key_exists("pfm", $filter)) {
-      $pfm = FronkDB::singleton()->escape($filter["pfm"]);
-      if ($pfm) {
-        $where .= " AND (phone like '%$pfm%' OR fax like '%$pfm%' OR mobile like '%$pfm%' )";
+      $pfm = preg_replace('/^(43|0)/', '', preg_replace('/[^0-9]/', '', $filter['pfm'] ?? ''));
+      if (!empty($pfm)) {
+          $pfmEscaped = FronkDB::singleton()->escape($pfm);
+          $searchColumns = ['phone', 'fax', 'mobile'];
+
+          $conditions = array_map(function ($column) use ($pfmEscaped) {
+              $normalizedColumn = "REGEXP_REPLACE(REGEXP_REPLACE(`$column`, '[^0-9]', ''), '^(43|0)', '')";
+              return "$normalizedColumn LIKE '%$pfmEscaped%'";
+          }, $searchColumns);
+
+          $where .= " AND (" . implode(' OR ', $conditions) . ")";
       }
-    }
 
     if (array_key_exists("billing_type", $filter)) {
       $billing_type = FronkDB::singleton()->escape($filter["billing_type"]);
diff --git a/application/User/UserController.php b/application/User/UserController.php
index abadd899e..d3e2e3320 100644
--- a/application/User/UserController.php
+++ b/application/User/UserController.php
@@ -441,6 +441,9 @@ class UserController extends mfBaseController
         case "setVodiaIdentity":
           $return = $this->setVodiaIdentityApi();
           break;
+        case "getVodiaCall":
+          $return = $this->getVodiaCallApi();
+          break;
         default:
           $return = false;
       }
@@ -528,6 +531,44 @@ class UserController extends mfBaseController
 
     }
 
+    private function getVodiaCallApi() {
+        if(!ENABLE_VODIA_IDENTITY_SWITCHER) {
+            return ["enabled" => false];
+        }
+
+        $domain = $this->me->getFlag("vodia_identity_domain")->value();
+        $username = $this->me->getFlag("vodia_identity_username")->value();
+
+        if(!$domain || !$username) {
+            return ["enabled" => false];
+        }
+
+        $vodia = new Vodia_Api(VODIA_API_URL, VODIA_API_ADMIN_USER, VODIA_API_ADMIN_PASS);
+
+        $calls = $vodia->getActiveCalls($domain, $username);
+        if(!$calls) {
+            return ["enabled" => true, "calls" => []];
+        }
+
+        $from = null;
+        foreach($calls as $call) {
+            if(isset($call['from'])) {
+                $from = $call['from'];
+                if(preg_match('/<sip:([^@]+)@/', $from, $m)) {
+                    $from = $m[1];
+                } elseif(preg_match('/<([^>]+)>/', $from, $m)) {
+                    $from = $m[1];
+                } else {
+                    $from = str_replace('"', '', $from);
+                }
+                break; // only return the first call's from number
+            }
+        }
+
+        return ["enabled" => true, "number" => $from];
+
+    }
+
     private function startSuperexpertApi() {
       $me = new User();
       $me->loadMe();
diff --git a/lib/Vodia/Api.php b/lib/Vodia/Api.php
index ab894dd8b..baaa0a5fe 100644
--- a/lib/Vodia/Api.php
+++ b/lib/Vodia/Api.php
@@ -145,4 +145,32 @@ class Vodia_Api {
         return $user_settings;
 
     }
+
+    public function getActiveCalls($domain, $user) {
+        if(!$this->session_id) {
+            $this->_authenticate($domain);
+        }
+
+        $url = $this->baseurl.VODIA_API_EP_GET_USER_CALLS;
+        $url = str_replace("{DOMAIN}", $domain, $url);
+        $url = str_replace("{EXT}", $user, $url);
+
+        $ctx_options = [
+            "http" => [
+                "ignore_errors" => true,
+                "method" => "GET",
+                "header" => [
+                    "Cookie: session=".$this->session_id,
+                    "Accept: application/json",
+                    "Content-Type: application/json",
+                ],
+            ]
+        ];
+
+        $ctx = stream_context_create($ctx_options);
+        $output = file_get_contents($url, false, $ctx);
+
+        return json_decode($output, true);
+    }
+
 }
\ No newline at end of file
diff --git a/public/assets/js/xinon-vodia-identity.js b/public/assets/js/xinon-vodia-identity.js
index 02e00c7db..965a6f640 100644
--- a/public/assets/js/xinon-vodia-identity.js
+++ b/public/assets/js/xinon-vodia-identity.js
@@ -1,6 +1,14 @@
 document.body.insertAdjacentHTML('beforeend', `
     <template id="vodia-identity-template">
         <li id="vodia-identity-container" class="dropdown notification-list ml-2 my-auto" style="display: none;">
+            <a href="#" class="nav-link nav-user d-flex align-items-center" data-ref="callLookupButton" title="Aktuellen Anrufer nachschlagen" style="padding: 0!important;min-width: unset!important">
+                <span class="fa-stack" data-ref="callLookupIconStack">
+                    <i class="fa-solid fa-phone fa-stack-1x" style="left: -5px; top: 6px;"></i>
+                    <i class="fa-solid fa-magnifying-glass fa-stack-1x" style="transform: scale(0.7);"></i>
+                </span>
+                <i class="fas fa-spinner fa-spin d-none" data-ref="callLookupSpinner" style="margin-right: 10px"></i>
+            </a>
+
             <a href="#" class="nav-link nav-user dropdown-toggle d-flex align-items-center" aria-haspopup="true" aria-expanded="false" data-ref="toggleButton">
                 <i class="phone-icon fas fa-phone" data-ref="phoneIcon"></i>
                 <div class="pro-user-name ml-2">
@@ -40,7 +48,11 @@ class VodiaIdentitySwitcher {
         setting: "Ändere...",
         dropdownTitle: "Ausgehende Identität wählen:",
         ownExtension: "Eigene Nummer",
-        customIdentity: "Andere Nummer"
+        customIdentity: "Andere Nummer",
+        // ## START: ADDED TEXT ##
+        noActiveCall: "Kein aktiver Anruf gefunden.",
+        lookupError: "Fehler bei der Anrufabfrage."
+        // ## END: ADDED TEXT ##
     };
 
     pollingTimer = null;
@@ -69,7 +81,6 @@ class VodiaIdentitySwitcher {
             return JSON.parse(cachedString);
         } catch (e) {
             console.error("Vodia Cache Error: Could not parse cached data.", e);
-            // Clean up corrupted data
             localStorage.removeItem(this.CACHE_KEY);
             return null;
         }
@@ -90,6 +101,9 @@ class VodiaIdentitySwitcher {
 
         this.elements = {
             container,
+            callLookupButton: container.querySelector('[data-ref="callLookupButton"]'),
+            callLookupIconStack: container.querySelector('[data-ref="callLookupIconStack"]'),
+            callLookupSpinner: container.querySelector('[data-ref="callLookupSpinner"]'),
             toggleButton: container.querySelector('[data-ref="toggleButton"]'),
             phoneIcon: container.querySelector('[data-ref="phoneIcon"]'),
             currentName: container.querySelector('[data-ref="currentName"]'),
@@ -115,11 +129,51 @@ class VodiaIdentitySwitcher {
                 this.elements.toggleButton.setAttribute('aria-expanded', 'false');
             }
         });
+
+        this.elements.callLookupButton.addEventListener('click', e => {
+            e.preventDefault();
+            this._handleCallLookup();
+        });
     }
 
+    _setLookupButtonLoadingState(isLoading) {
+        const { callLookupButton, callLookupIconStack, callLookupSpinner } = this.elements;
+        if (isLoading) {
+            callLookupButton.setAttribute('disabled', 'true');
+            callLookupIconStack.classList.add('d-none');    // Hide the icon stack
+            callLookupSpinner.classList.remove('d-none'); // Show the spinner
+        } else {
+            callLookupButton.removeAttribute('disabled');
+            callLookupIconStack.classList.remove('d-none'); // Show the icon stack
+            callLookupSpinner.classList.add('d-none');    // Hide the spinner
+        }
+    }
+
+    async _handleCallLookup() {
+        this._setLookupButtonLoadingState(true);
+        try {
+            const response = await fetch(`${this.API_BASE_URL}User/Api/do=getVodiaCall`);
+            if (!response.ok) throw new Error('Network response was not ok');
+
+            const data = await response.json();
+            if (data.status === 'OK' && data.result.number && data.result.number.length >= 5) {
+                const url = `${this.API_BASE_URL}Address/Index?filter[pfm]=${data.result.number}`;
+                window.open(url, '_blank'); // Open address book in a new tab
+            } else {
+                if (window.notify) window.notify('info', this.TEXT.noActiveCall);
+            }
+        } catch (error) {
+            console.error("Vodia Call Lookup Error:", error.message);
+            if (window.notify) window.notify('error', this.TEXT.lookupError);
+        } finally {
+            this._setLookupButtonLoadingState(false);
+        }
+    }
+    // ## END: ADDED METHOD TO HANDLE CALL LOOKUP ##
+
     _setLoadingState(isLoading, message = '') {
         const { phoneIcon, currentName, currentNumber } = this.elements;
-        phoneIcon.className = 'phone-icon fas fa-phone'; // Reset
+        phoneIcon.className = 'phone-icon fas fa-phone';
 
         if (isLoading) {
             phoneIcon.classList.add('fa-spin', 'text-warning');
@@ -152,7 +206,7 @@ class VodiaIdentitySwitcher {
             }
 
             if (vodiaState?.enabled) {
-                this.elements.container.style.display = 'list-item';
+                this.elements.container.style.display = 'flex'; // Use flex to align items
                 this._updateUI(vodiaState);
                 this._setLoadingState(false);
             } else {
@@ -221,7 +275,6 @@ class VodiaIdentitySwitcher {
         const { 'default': defaultDisplay, default_number, current, identities } = vodiaState;
         const currentId = current.replaceAll(' ', "");
 
-        // Add "Own Extension"
         this.elements.identityList.appendChild(this._createListItem({
             name: this.TEXT.ownExtension,
             number: default_number.replaceAll(' ', ""),
@@ -230,7 +283,6 @@ class VodiaIdentitySwitcher {
             isActive: currentId === default_number.replaceAll(' ', "")
         }));
 
-        // Add other identities
         if (!identities) return;
         for (const name in identities) {
             const ident = identities[name];
@@ -262,6 +314,7 @@ class VodiaIdentitySwitcher {
         return item;
     }
 }
+
 document.addEventListener('DOMContentLoaded', () => {
     const topbar = document.querySelector("#topbar");
     if (topbar) new VodiaIdentitySwitcher(topbar);