diff --git a/homeassistant/components/sfr_box/sensor.py b/homeassistant/components/sfr_box/sensor.py
index a178e08d508..2da8cbe55ef 100644
--- a/homeassistant/components/sfr_box/sensor.py
+++ b/homeassistant/components/sfr_box/sensor.py
@@ -120,14 +120,15 @@ SENSOR_TYPES: tuple[SFRBoxSensorEntityDescription, ...] = (
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         options=[
-            "No Defect",
-            "Of Frame",
-            "Loss Of Signal",
-            "Loss Of Power",
-            "Loss Of Signal Quality",
-            "Unknown",
+            "no_defect",
+            "of_frame",
+            "loss_of_signal",
+            "loss_of_power",
+            "loss_of_signal_quality",
+            "unknown",
         ],
-        value_fn=lambda x: x.line_status,
+        translation_key="line_status",
+        value_fn=lambda x: x.line_status.lower().replace(" ", "_"),
     ),
     SFRBoxSensorEntityDescription(
         key="training",
@@ -136,18 +137,19 @@ SENSOR_TYPES: tuple[SFRBoxSensorEntityDescription, ...] = (
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         options=[
-            "Idle",
-            "G.994 Training",
-            "G.992 Started",
-            "G.922 Channel Analysis",
-            "G.992 Message Exchange",
-            "G.993 Started",
-            "G.993 Channel Analysis",
-            "G.993 Message Exchange",
-            "Showtime",
-            "Unknown",
+            "idle",
+            "g_994_training",
+            "g_992_started",
+            "g_922_channel_analysis",
+            "g_992_message_exchange",
+            "g_993_started",
+            "g_993_channel_analysis",
+            "g_993_message_exchange",
+            "showtime",
+            "unknown",
         ],
-        value_fn=lambda x: x.training,
+        translation_key="training",
+        value_fn=lambda x: x.training.lower().replace(" ", "_").replace(".", "_"),
     ),
 )
 
diff --git a/homeassistant/components/sfr_box/strings.json b/homeassistant/components/sfr_box/strings.json
index 52d57eda809..c9b9f62bb33 100644
--- a/homeassistant/components/sfr_box/strings.json
+++ b/homeassistant/components/sfr_box/strings.json
@@ -13,5 +13,33 @@
     "abort": {
       "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"
     }
+  },
+  "entity": {
+    "sensor": {
+      "line_status": {
+        "state": {
+          "no_defect": "No Defect",
+          "of_frame": "Of Frame",
+          "loss_of_signal": "Loss Of Signal",
+          "loss_of_power": "Loss Of Power",
+          "loss_of_signal_quality": "Loss Of Signal Quality",
+          "unknown": "Unknown"
+        }
+      },
+      "training": {
+        "state": {
+          "idle": "Idle",
+          "g_994_training": "G.994 Training",
+          "g_992_started": "G.992 Started",
+          "g_922_channel_analysis": "G.922 Channel Analysis",
+          "g_992_message_exchange": "G.992 Message Exchange",
+          "g_993_started": "G.993 Started",
+          "g_993_channel_analysis": "G.993 Channel Analysis",
+          "g_993_message_exchange": "G.993 Message Exchange",
+          "showtime": "Showtime",
+          "unknown": "Unknown"
+        }
+      }
+    }
   }
 }
diff --git a/homeassistant/components/sfr_box/translations/en.json b/homeassistant/components/sfr_box/translations/en.json
index 0a4ba36e285..69147ee4378 100644
--- a/homeassistant/components/sfr_box/translations/en.json
+++ b/homeassistant/components/sfr_box/translations/en.json
@@ -14,5 +14,33 @@
                 }
             }
         }
+    },
+    "entity": {
+        "sensor": {
+            "line_status": {
+                "state": {
+                    "no_defect": "No Defect",
+                    "of_frame": "Of Frame",
+                    "loss_of_signal": "Loss Of Signal",
+                    "loss_of_power": "Loss Of Power",
+                    "loss_of_signal_quality": "Loss Of Signal Quality",
+                    "unknown": "Unknown"
+                }
+            },
+            "training": {
+                "state": {
+                    "idle":"Idle",
+                    "g_994_training":"G.994 Training",
+                    "g_992_started":"G.992 Started",
+                    "g_922_channel_analysis":"G.922 Channel Analysis",
+                    "g_992_message_exchange":"G.992 Message Exchange",
+                    "g_993_started":"G.993 Started",
+                    "g_993_channel_analysis":"G.993 Channel Analysis",
+                    "g_993_message_exchange":"G.993 Message Exchange",
+                    "showtime":"Showtime",
+                    "unknown":"Unknown"
+                }
+            }
+        }
     }
 }
\ No newline at end of file