diff --git a/backend/src/routes/telephony.ts b/backend/src/routes/telephony.ts
index db94a30..7dc6647 100644
--- a/backend/src/routes/telephony.ts
+++ b/backend/src/routes/telephony.ts
@@ -11,6 +11,17 @@ const telephonyEnabled = () =>
 const asteriskHttpStatusUrl = () =>
     process.env.TELEPHONY_ASTERISK_HTTP_URL || "http://asterisk-dev:8088/ws"
 
+const asteriskHttpStatusUrls = () => {
+    const configuredUrl = asteriskHttpStatusUrl()
+    return Array.from(new Set([
+        configuredUrl,
+        "http://asterisk-dev:8088/ws",
+        "http://host.docker.internal:8088/ws",
+        `http://127.0.0.1:${process.env.TELEPHONY_DEV_WS_PORT || "8088"}/ws`,
+        `http://localhost:${process.env.TELEPHONY_DEV_WS_PORT || "8088"}/ws`,
+    ]))
+}
+
 const publicAsteriskWsUrl = () =>
     process.env.TELEPHONY_ASTERISK_WS_URL || `ws://localhost:${process.env.TELEPHONY_DEV_WS_PORT || "8088"}/ws`
 
@@ -54,40 +65,52 @@ export default async function telephonyRoutes(server: FastifyInstance) {
 
     server.get("/telephony/status", async () => {
         const enabled = telephonyEnabled()
-        const url = asteriskHttpStatusUrl()
+        const urls = asteriskHttpStatusUrls()
 
-        if (!enabled) {
-            return {
-                enabled,
-                provider: "asterisk",
-                reachable: false,
-                statusUrl: url,
-                message: "Telefonie ist nicht aktiviert.",
+        let lastError: any = null
+        const attempts = []
+
+        for (const url of urls) {
+            try {
+                const response = await fetchWithTimeout(url)
+                attempts.push({
+                    url,
+                    reachable: true,
+                    statusCode: response.status,
+                })
+
+                return {
+                    enabled,
+                    provider: "asterisk",
+                    reachable: true,
+                    statusCode: response.status,
+                    statusUrl: url,
+                    attempts,
+                    message: enabled
+                        ? (response.ok ? "Asterisk ist erreichbar." : `Asterisk-HTTP ist erreichbar (HTTP ${response.status}).`)
+                        : "Asterisk ist erreichbar, Telefonie ist aber noch nicht aktiviert.",
+                }
+            } catch (error: any) {
+                lastError = error
+                attempts.push({
+                    url,
+                    reachable: false,
+                    message: error?.name === "AbortError"
+                        ? "Abgelaufen"
+                        : (error?.message || "Nicht erreichbar"),
+                })
             }
         }
 
-        try {
-            const response = await fetchWithTimeout(url)
-            return {
-                enabled,
-                provider: "asterisk",
-                reachable: true,
-                statusCode: response.status,
-                statusUrl: url,
-                message: response.ok
-                    ? "Asterisk ist erreichbar."
-                    : `Asterisk-HTTP ist erreichbar (HTTP ${response.status}).`,
-            }
-        } catch (error: any) {
-            return {
-                enabled,
-                provider: "asterisk",
-                reachable: false,
-                statusUrl: url,
-                message: error?.name === "AbortError"
-                    ? "Asterisk-Statusabfrage ist abgelaufen."
-                    : (error?.message || "Asterisk ist nicht erreichbar."),
-            }
+        return {
+            enabled,
+            provider: "asterisk",
+            reachable: false,
+            statusUrl: urls[0],
+            attempts,
+            message: lastError?.name === "AbortError"
+                ? "Asterisk-Statusabfrage ist abgelaufen."
+                : (lastError?.message || "Asterisk ist nicht erreichbar."),
         }
     })
 }
diff --git a/frontend/pages/communication/phone.vue b/frontend/pages/communication/phone.vue
index 99bdce6..1e393b5 100644
--- a/frontend/pages/communication/phone.vue
+++ b/frontend/pages/communication/phone.vue
@@ -11,13 +11,15 @@ const websocketResult = ref(null)
 const lastUpdated = ref(null)
 
 const statusColor = computed(() => {
+  if (status.value?.reachable) return "success"
   if (!status.value?.enabled) return "warning"
-  return status.value?.reachable ? "success" : "error"
+  return "error"
 })
 
 const statusIcon = computed(() => {
+  if (status.value?.reachable) return "i-heroicons-signal"
   if (!status.value?.enabled) return "i-heroicons-pause-circle"
-  return status.value?.reachable ? "i-heroicons-signal" : "i-heroicons-signal-slash"
+  return "i-heroicons-signal-slash"
 })
 
 const websocketColor = computed(() => {
@@ -174,7 +176,7 @@ onMounted(loadTelephony)
                 <span class="text-sm font-medium text-gray-700">Status</span>
               </div>
               <p class="mt-3 text-lg font-semibold text-gray-950">
-                {{ status?.enabled ? (status?.reachable ? "Erreichbar" : "Nicht erreichbar") : "Deaktiviert" }}
+                {{ status?.reachable ? "Erreichbar" : (status?.enabled ? "Nicht erreichbar" : "Deaktiviert") }}
               </p>
             </div>
 
@@ -206,6 +208,24 @@ onMounted(loadTelephony)
             :title="status?.message || 'Telefonie wird geladen'"
             :description="status?.statusUrl || 'Noch keine Status-URL geladen.'"
           />
+
+          <div v-if="status?.attempts?.length" class="mt-4 rounded-lg border border-gray-200 bg-gray-50 p-3">
+            <p class="text-xs font-medium uppercase tracking-wide text-gray-500">
+              Geprüfte Status-Ziele
+            </p>
+            <div class="mt-2 grid gap-2">
+              <div
+                v-for="attempt in status.attempts"
+                :key="attempt.url"
+                class="flex items-center justify-between gap-3 text-sm"
+              >
+                <span class="break-all font-mono text-gray-700">{{ attempt.url }}</span>
+                <UBadge :color="attempt.reachable ? 'success' : 'neutral'" variant="soft">
+                  {{ attempt.reachable ? `HTTP ${attempt.statusCode}` : "offline" }}
+                </UBadge>
+              </div>
+            </div>
+          </div>
         </UCard>
 
         <UCard>