diff --git a/libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py b/libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py
index ffe81ec7d..1a4407895 100644
--- a/libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py
+++ b/libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py
@@ -37,6 +37,7 @@
     ConversationAccount,
     ConversationParameters,
     ConversationReference,
+    ExpectedReplies,
     TokenResponse,
     ResourceResponse,
     DeliveryModes,
@@ -459,12 +460,12 @@ async def process_activity_with_identity(
 
         # Return the buffered activities in the response.  In this case, the invoker
         # should deserialize accordingly:
-        #    activities = [Activity().deserialize(activity) for activity in response.body]
-        if context.activity.delivery_mode == DeliveryModes.buffered_replies:
-            serialized_activities = [
-                activity.serialize() for activity in context.buffered_replies
-            ]
-            return InvokeResponse(status=200, body=serialized_activities)
+        #    activities = ExpectedReplies().deserialize(response.body).activities
+        if context.activity.delivery_mode == DeliveryModes.expect_replies:
+            expected_replies = ExpectedReplies(
+                activities=context.buffered_reply_activities
+            ).serialize()
+            return InvokeResponse(status=200, body=expected_replies)
 
         return None
 
diff --git a/libraries/botbuilder-core/botbuilder/core/bot_framework_http_client.py b/libraries/botbuilder-core/botbuilder/core/bot_framework_http_client.py
index 963cf8bd4..dc9dd1a9e 100644
--- a/libraries/botbuilder-core/botbuilder/core/bot_framework_http_client.py
+++ b/libraries/botbuilder-core/botbuilder/core/bot_framework_http_client.py
@@ -6,7 +6,7 @@
 from logging import Logger
 import aiohttp
 
-from botbuilder.schema import Activity
+from botbuilder.schema import Activity, ExpectedReplies
 from botframework.connector.auth import (
     ChannelProvider,
     CredentialProvider,
@@ -110,14 +110,14 @@ async def post_buffered_activity(
     ) -> [Activity]:
         """
         Helper method to return a list of activities when an Activity is being
-        sent with DeliveryMode == bufferedReplies.
+        sent with DeliveryMode == expectReplies.
         """
         response = await self.post_activity(
             from_bot_id, to_bot_id, to_url, service_url, conversation_id, activity
         )
         if not response or (response.status / 100) != 2:
             return []
-        return [Activity().deserialize(activity) for activity in response.body]
+        return ExpectedReplies().deserialize(response.body).activities
 
     async def _get_app_credentials(
         self, app_id: str, oauth_scope: str
diff --git a/libraries/botbuilder-core/botbuilder/core/turn_context.py b/libraries/botbuilder-core/botbuilder/core/turn_context.py
index b3ec326c8..00bdf5d43 100644
--- a/libraries/botbuilder-core/botbuilder/core/turn_context.py
+++ b/libraries/botbuilder-core/botbuilder/core/turn_context.py
@@ -51,8 +51,8 @@ def __init__(self, adapter_or_context, request: Activity = None):
 
         self._turn_state = {}
 
-        # A list of activities to send when `context.Activity.DeliveryMode == 'bufferedReplies'`
-        self.buffered_replies = []
+        # A list of activities to send when `context.Activity.DeliveryMode == 'expectReplies'`
+        self.buffered_reply_activities = []
 
     @property
     def turn_state(self) -> Dict[str, object]:
@@ -198,10 +198,10 @@ def activity_validator(activity: Activity) -> Activity:
         async def logic():
             nonlocal sent_non_trace_activity
 
-            if self.activity.delivery_mode == DeliveryModes.buffered_replies:
+            if self.activity.delivery_mode == DeliveryModes.expect_replies:
                 responses = []
                 for activity in output:
-                    self.buffered_replies.append(activity)
+                    self.buffered_reply_activities.append(activity)
                     responses.append(ResourceResponse())
 
                 if sent_non_trace_activity:
diff --git a/libraries/botbuilder-core/tests/test_bot_framework_adapter.py b/libraries/botbuilder-core/tests/test_bot_framework_adapter.py
index 871e616a1..891ecdeb5 100644
--- a/libraries/botbuilder-core/tests/test_bot_framework_adapter.py
+++ b/libraries/botbuilder-core/tests/test_bot_framework_adapter.py
@@ -20,6 +20,7 @@
     ConversationResourceResponse,
     ChannelAccount,
     DeliveryModes,
+    ExpectedReplies,
 )
 from botframework.connector.aio import ConnectorClient
 from botframework.connector.auth import (
@@ -578,7 +579,7 @@ async def callback(context: TurnContext):
             refs, callback, claims_identity=skills_identity, audience=skill_2_app_id
         )
 
-    async def test_delivery_mode_buffered_replies(self):
+    async def test_delivery_mode_expect_replies(self):
         mock_credential_provider = unittest.mock.create_autospec(CredentialProvider)
 
         settings = BotFrameworkAdapterSettings(
@@ -595,7 +596,7 @@ async def callback(context: TurnContext):
             type=ActivityTypes.message,
             channel_id="emulator",
             service_url="http://tempuri.org/whatever",
-            delivery_mode=DeliveryModes.buffered_replies,
+            delivery_mode=DeliveryModes.expect_replies,
             text="hello world",
         )
 
@@ -613,11 +614,11 @@ async def callback(context: TurnContext):
         )
         assert invoke_response
         assert invoke_response.status == 200
-        activities = invoke_response.body
+        activities = ExpectedReplies().deserialize(invoke_response.body).activities
         assert len(activities) == 3
-        assert activities[0]["text"] == "activity 1"
-        assert activities[1]["text"] == "activity 2"
-        assert activities[2]["text"] == "activity 3"
+        assert activities[0].text == "activity 1"
+        assert activities[1].text == "activity 2"
+        assert activities[2].text == "activity 3"
         assert (
             adapter.connector_client_mock.conversations.send_to_conversation.call_count
             == 0
diff --git a/libraries/botbuilder-schema/botbuilder/schema/__init__.py b/libraries/botbuilder-schema/botbuilder/schema/__init__.py
index bb3e7d75f..5fcb88ed7 100644
--- a/libraries/botbuilder-schema/botbuilder/schema/__init__.py
+++ b/libraries/botbuilder-schema/botbuilder/schema/__init__.py
@@ -27,6 +27,7 @@
     from ._models_py3 import ConversationReference
     from ._models_py3 import ConversationResourceResponse
     from ._models_py3 import ConversationsResult
+    from ._models_py3 import ExpectedReplies
     from ._models_py3 import Entity
     from ._models_py3 import Error
     from ._models_py3 import ErrorResponse, ErrorResponseException
@@ -74,6 +75,7 @@
     from ._models import ConversationReference
     from ._models import ConversationResourceResponse
     from ._models import ConversationsResult
+    from ._models import ExpectedReplies
     from ._models import Entity
     from ._models import Error
     from ._models import ErrorResponse, ErrorResponseException
@@ -136,6 +138,7 @@
     "ConversationReference",
     "ConversationResourceResponse",
     "ConversationsResult",
+    "ExpectedReplies",
     "Entity",
     "Error",
     "ErrorResponse",
diff --git a/libraries/botbuilder-schema/botbuilder/schema/_connector_client_enums.py b/libraries/botbuilder-schema/botbuilder/schema/_connector_client_enums.py
index 68aab5ecf..ba33d9c00 100644
--- a/libraries/botbuilder-schema/botbuilder/schema/_connector_client_enums.py
+++ b/libraries/botbuilder-schema/botbuilder/schema/_connector_client_enums.py
@@ -99,7 +99,7 @@ class DeliveryModes(str, Enum):
 
     normal = "normal"
     notification = "notification"
-    buffered_replies = "bufferedReplies"
+    expect_replies = "expectReplies"
 
 
 class ContactRelationUpdateActionTypes(str, Enum):
diff --git a/libraries/botbuilder-schema/botbuilder/schema/_models.py b/libraries/botbuilder-schema/botbuilder/schema/_models.py
index 2cb85d663..31e1a3f31 100644
--- a/libraries/botbuilder-schema/botbuilder/schema/_models.py
+++ b/libraries/botbuilder-schema/botbuilder/schema/_models.py
@@ -133,7 +133,7 @@ class Activity(Model):
     :param delivery_mode: A delivery hint to signal to the recipient alternate
      delivery paths for the activity.
      The default delivery mode is "default". Possible values include: 'normal',
-     'notification'
+     'notification', 'expectReplies'
     :type delivery_mode: str or ~botframework.connector.models.DeliveryModes
     :param listen_for: List of phrases and references that speech and language
      priming systems should listen for
@@ -806,6 +806,21 @@ def __init__(self, **kwargs):
         self.conversations = kwargs.get("conversations", None)
 
 
+class ExpectedReplies(Model):
+    """ExpectedReplies.
+
+    :param activities: A collection of Activities that conforms to the
+     ExpectedReplies schema.
+    :type activities: list[~botframework.connector.models.Activity]
+    """
+
+    _attribute_map = {"activities": {"key": "activities", "type": "[Activity]"}}
+
+    def __init__(self, **kwargs):
+        super(ExpectedReplies, self).__init__(**kwargs)
+        self.activities = kwargs.get("activities", None)
+
+
 class Entity(Model):
     """Metadata object pertaining to an activity.
 
diff --git a/libraries/botbuilder-schema/botbuilder/schema/_models_py3.py b/libraries/botbuilder-schema/botbuilder/schema/_models_py3.py
index fe583a9b8..792ab6c13 100644
--- a/libraries/botbuilder-schema/botbuilder/schema/_models_py3.py
+++ b/libraries/botbuilder-schema/botbuilder/schema/_models_py3.py
@@ -133,7 +133,7 @@ class Activity(Model):
     :param delivery_mode: A delivery hint to signal to the recipient alternate
      delivery paths for the activity.
      The default delivery mode is "default". Possible values include: 'normal',
-     'notification'
+     'notification', 'expectReplies'
     :type delivery_mode: str or ~botframework.connector.models.DeliveryModes
     :param listen_for: List of phrases and references that speech and language
      priming systems should listen for
@@ -978,6 +978,21 @@ def __init__(
         self.conversations = conversations
 
 
+class ExpectedReplies(Model):
+    """ExpectedReplies.
+
+    :param activities: A collection of Activities that conforms to the
+     ExpectedReplies schema.
+    :type activities: list[~botframework.connector.models.Activity]
+    """
+
+    _attribute_map = {"activities": {"key": "activities", "type": "[Activity]"}}
+
+    def __init__(self, *, activities=None, **kwargs) -> None:
+        super(ExpectedReplies, self).__init__(**kwargs)
+        self.activities = activities
+
+
 class Entity(Model):
     """Metadata object pertaining to an activity.
 
diff --git a/libraries/swagger/ConnectorAPI.json b/libraries/swagger/ConnectorAPI.json
index f3a5b6e49..bae96e716 100644
--- a/libraries/swagger/ConnectorAPI.json
+++ b/libraries/swagger/ConnectorAPI.json
@@ -2293,7 +2293,8 @@
         "description": "Values for deliveryMode field",
         "enum": [
           "normal",
-          "notification"
+          "notification",
+          "expectReplies"
         ],
         "type": "string",
         "properties": {},
diff --git a/samples/experimental/skills-buffered/parent/bots/parent_bot.py b/samples/experimental/skills-buffered/parent/bots/parent_bot.py
index 91b85b654..1aa077624 100644
--- a/samples/experimental/skills-buffered/parent/bots/parent_bot.py
+++ b/samples/experimental/skills-buffered/parent/bots/parent_bot.py
@@ -26,7 +26,7 @@ async def on_message_activity(self, turn_context: TurnContext):
         TurnContext.apply_conversation_reference(
             activity, TurnContext.get_conversation_reference(turn_context.activity)
         )
-        activity.delivery_mode = DeliveryModes.buffered_replies
+        activity.delivery_mode = DeliveryModes.expect_replies
 
         activities = await self.client.post_buffered_activity(
             None,