diff --git a/homeassistant/components/fritzbox_callmonitor/sensor.py b/homeassistant/components/fritzbox_callmonitor/sensor.py
index 43cdb29f85f..11c3166fd88 100644
--- a/homeassistant/components/fritzbox_callmonitor/sensor.py
+++ b/homeassistant/components/fritzbox_callmonitor/sensor.py
@@ -12,7 +12,7 @@ from typing import Any, cast
 
 from fritzconnection.core.fritzmonitor import FritzMonitor
 
-from homeassistant.components.sensor import SensorEntity
+from homeassistant.components.sensor import SensorDeviceClass, SensorEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_HOST, CONF_PORT, EVENT_HOMEASSISTANT_STOP
 from homeassistant.core import Event, HomeAssistant
@@ -82,6 +82,9 @@ class FritzBoxCallSensor(SensorEntity):
     """Implementation of a Fritz!Box call monitor."""
 
     _attr_icon = ICON_PHONE
+    _attr_translation_key = DOMAIN
+    _attr_device_class = SensorDeviceClass.ENUM
+    _attr_options = list(CallState)
 
     def __init__(
         self,
diff --git a/homeassistant/components/fritzbox_callmonitor/strings.json b/homeassistant/components/fritzbox_callmonitor/strings.json
index 6b2fa2943f9..89f049bfbe9 100644
--- a/homeassistant/components/fritzbox_callmonitor/strings.json
+++ b/homeassistant/components/fritzbox_callmonitor/strings.json
@@ -37,5 +37,17 @@
     "error": {
       "malformed_prefixes": "Prefixes are malformed, please check their format."
     }
+  },
+  "entity": {
+    "sensor": {
+      "fritzbox_callmonitor": {
+        "state": {
+          "ringing": "Ringing",
+          "dialing": "Dialing",
+          "talking": "Talking",
+          "idle": "[%key:common::state::idle%]"
+        }
+      }
+    }
   }
 }