diff --git a/src/pages/Worker/Card/WorkerPBX.vue b/src/pages/Worker/Card/WorkerPBX.vue
index f41fcbce706..dae1984388c 100644
--- a/src/pages/Worker/Card/WorkerPBX.vue
+++ b/src/pages/Worker/Card/WorkerPBX.vue
@@ -19,15 +19,10 @@ const { t } = useI18n();
         auto-load
     >
         <template #form="{ data }">
-            <VnInput :label="$t('worker.summary.sipExtension')" v-model="data.extension">
-                <template #append>
-                    <QIcon name="info" class="cursor-info">
-                        <QTooltip>{{
-                            t('It must be a 4-digit number and must not end in 00')
-                        }}</QTooltip>
-                    </QIcon>
-                </template>
-            </VnInput>
+            <VnInput
+                :label="$t('worker.summary.sipExtension')"
+                v-model="data.extension"
+            />
         </template>
     </FormModel>
 </template>