diff --git a/packages/uipath/pyproject.toml b/packages/uipath/pyproject.toml
index 63c4777a2..e891545da 100644
--- a/packages/uipath/pyproject.toml
+++ b/packages/uipath/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "uipath"
-version = "2.11.18"
+version = "2.11.19"
 description = "Python SDK and CLI for UiPath Platform, enabling programmatic interaction with automation services, process management, and deployment tools."
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.11"
diff --git a/packages/uipath/src/uipath/_cli/_chat/_voice_bridge.py b/packages/uipath/src/uipath/_cli/_chat/_voice_bridge.py
index b575404b3..b19394131 100644
--- a/packages/uipath/src/uipath/_cli/_chat/_voice_bridge.py
+++ b/packages/uipath/src/uipath/_cli/_chat/_voice_bridge.py
@@ -6,6 +6,7 @@
 import logging
 import os
 from collections.abc import Awaitable, Callable
+from copy import deepcopy
 from enum import Enum
 from typing import Any
 from urllib.parse import urlparse
@@ -82,6 +83,12 @@ def __init__(
         self._done = asyncio.Event()
         self._in_flight: set[asyncio.Task[None]] = set()
         self._end_reason: VoiceSessionEndReason | None = None
+        self._end_detail: dict[str, Any] = {}
+
+    @property
+    def end_detail(self) -> dict[str, Any]:
+        """CAS payload from voice_session_ended, preserved for the job runtime."""
+        return deepcopy(self._end_detail)
 
     async def run(self) -> VoiceSessionEndReason:
         """Connect, dispatch tool calls until session ends, then disconnect.
@@ -214,8 +221,19 @@ async def _execute_tool_call(self, call: UiPathVoiceToolCallRequest) -> None:
             tool_result.is_error,
         )
 
-    async def _handle_session_ended(self, _data: Any, *_: Any) -> None:
-        logger.info("[Voice] voice_session_ended received")
+    async def _handle_session_ended(self, data: Any = None, *_: Any) -> None:
+        if self._done.is_set():
+            return
+
+        detail = deepcopy(data) if isinstance(data, dict) else {}
+        self._end_detail = detail
+        logger.info(
+            "[Voice] voice_session_ended received "
+            "(endedBy=%s, callEnded=%s, reason=%s)",
+            detail.get("endedBy"),
+            detail.get("callEnded"),
+            detail.get("reason"),
+        )
         self._end_session(VoiceSessionEndReason.COMPLETED)
 
 
diff --git a/packages/uipath/tests/cli/chat/test_voice_bridge.py b/packages/uipath/tests/cli/chat/test_voice_bridge.py
index a9c8c1baf..dda7acd31 100644
--- a/packages/uipath/tests/cli/chat/test_voice_bridge.py
+++ b/packages/uipath/tests/cli/chat/test_voice_bridge.py
@@ -46,6 +46,47 @@ async def test_session_ended_sets_completed(self) -> None:
         await session._handle_session_ended(None)
         assert session._end_reason == VoiceSessionEndReason.COMPLETED
 
+    async def test_session_ended_preserves_payload_opaquely(self) -> None:
+        session = _make_session()
+        payload = {
+            "callContext": {
+                "type": "phone",
+                "id": "CA123",
+                "conversationId": "conv-1",
+            },
+            "endedBy": "agent",
+            "callEnded": False,
+            "reason": "agent_completed",
+            "someFutureKey": {"nested": True},
+        }
+
+        await session._handle_session_ended(payload)
+
+        assert session.end_detail == payload
+        assert session._end_reason == VoiceSessionEndReason.COMPLETED
+        returned_detail = session.end_detail
+        returned_detail["reason"] = "mutated"
+        returned_detail["callContext"]["id"] = "CA999"
+        payload["endedBy"] = "system"
+        assert session.end_detail["reason"] == "agent_completed"
+        assert session.end_detail["callContext"]["id"] == "CA123"
+        assert session.end_detail["endedBy"] == "agent"
+
+    async def test_session_ended_non_dict_payload_is_empty_detail(self) -> None:
+        session = _make_session()
+        await session._handle_session_ended("not-a-dict")
+        assert session.end_detail == {}
+        assert session._end_reason == VoiceSessionEndReason.COMPLETED
+
+    async def test_late_session_ended_does_not_overwrite_terminal_state(self) -> None:
+        session = _make_session()
+        await session._handle_session_ended({"endedBy": "agent", "callEnded": False})
+
+        await session._handle_session_ended({"endedBy": "system", "callEnded": True})
+
+        assert session.end_detail == {"endedBy": "agent", "callEnded": False}
+        assert session._end_reason == VoiceSessionEndReason.COMPLETED
+
     async def test_disconnect_sets_disconnected(self) -> None:
         session = _make_session()
         await session._handle_disconnect()
diff --git a/packages/uipath/uv.lock b/packages/uipath/uv.lock
index 0c265e9d0..5fef843c9 100644
--- a/packages/uipath/uv.lock
+++ b/packages/uipath/uv.lock
@@ -2552,7 +2552,7 @@ wheels = [
 
 [[package]]
 name = "uipath"
-version = "2.11.18"
+version = "2.11.19"
 source = { editable = "." }
 dependencies = [
     { name = "applicationinsights" },