diff --git a/services/node-capabilities/main.py b/services/node-capabilities/main.py
index 607efae2..7828fde2 100644
--- a/services/node-capabilities/main.py
+++ b/services/node-capabilities/main.py
@@ -212,7 +212,11 @@ def _build_served_models(ollama: Dict, swapper: Dict, llama: Optional[Dict]) ->
 
 
 def _derive_capabilities(served: List[Dict], worker_caps: Dict) -> Dict[str, Any]:
-    """Merge served model types + worker provider flags into capability map."""
+    """Merge served model types + worker provider flags into capability map.
+
+    Voice HA caps (voice_tts, voice_llm, voice_stt) pass through directly from
+    node-worker /caps where they are validated against active NATS subscriptions.
+    """
     served_types = {m.get("type", "llm") for m in served}
     wc = worker_caps.get("capabilities", {})
     wp = worker_caps.get("providers", {})
@@ -225,7 +229,12 @@ def _derive_capabilities(served: List[Dict], worker_caps: Dict) -> Dict[str, Any
         "tts": wc.get("tts", False),
         "ocr": has_vision and wp.get("ocr", "none") != "none",
         "image": wc.get("image", False),
+        # Voice HA — pass through from node-worker /caps (reflects active subjects)
+        "voice_tts": wc.get("voice_tts", False),
+        "voice_llm": wc.get("voice_llm", False),
+        "voice_stt": wc.get("voice_stt", False),
         "providers": wp,
+        "voice_concurrency": worker_caps.get("voice_concurrency", {}),
     }