diff --git a/app/models/conversation.rb b/app/models/conversation.rb
index 2a7a49223..abf8c79af 100644
--- a/app/models/conversation.rb
+++ b/app/models/conversation.rb
@@ -117,7 +117,9 @@ class Conversation < ApplicationRecord
   def can_reply?
     channel = inbox&.channel
 
-    return can_reply_on_instagram? if additional_attributes['type'] == 'instagram_direct_message'
+    return can_reply_on_instagram_via_messenger? if additional_attributes['type'] == 'instagram_direct_message'
+
+    return can_reply_on_instagram? if inbox.instagram_direct?
 
     return true unless channel&.messaging_window_enabled?
 
@@ -143,7 +145,7 @@ class Conversation < ApplicationRecord
     Time.current < last_incoming_message.created_at + time.hours
   end
 
-  def can_reply_on_instagram?
+  def can_reply_on_instagram_via_messenger?
     global_config = GlobalConfig.get('ENABLE_MESSENGER_CHANNEL_HUMAN_AGENT')
 
     return false if last_incoming_message.nil?
@@ -155,6 +157,18 @@ class Conversation < ApplicationRecord
     end
   end
 
+  def can_reply_on_instagram?
+    global_config = GlobalConfig.get('ENABLE_INSTAGRAM_CHANNEL_HUMAN_AGENT')
+
+    return false if last_incoming_message.nil?
+
+    if global_config['ENABLE_INSTAGRAM_CHANNEL_HUMAN_AGENT']
+      Time.current < last_incoming_message.created_at + 7.days
+    else
+      last_message_in_messaging_window?(24)
+    end
+  end
+
   def toggle_status
     # FIXME: implement state machine with aasm
     self.status = open? ? :resolved : :open
diff --git a/spec/models/conversation_spec.rb b/spec/models/conversation_spec.rb
index 1938fb204..abf17da99 100644
--- a/spec/models/conversation_spec.rb
+++ b/spec/models/conversation_spec.rb
@@ -613,7 +613,11 @@ RSpec.describe Conversation do
       let!(:facebook_inbox) { create(:inbox, channel: facebook_channel, account: facebook_channel.account) }
       let!(:conversation) { create(:conversation, inbox: facebook_inbox, account: facebook_channel.account) }
 
-      context 'when instagram channel' do
+      let!(:instagram_channel) { create(:channel_instagram) }
+      let!(:instagram_inbox) { create(:inbox, channel: instagram_channel, account: instagram_channel.account) }
+      let!(:instagram_conversation) { create(:conversation, inbox: instagram_inbox, account: instagram_channel.account) }
+
+      context 'when instagram messenger channel' do
         it 'return true with HUMAN_AGENT if it is outside of 24 hour window' do
           InstallationConfig.where(name: 'ENABLE_MESSENGER_CHANNEL_HUMAN_AGENT').first_or_create(value: true)
 
@@ -644,6 +648,26 @@ RSpec.describe Conversation do
           expect(conversation.can_reply?).to be false
         end
       end
+
+      context 'when instagram channel' do
+        it 'return true with HUMAN_AGENT if it is outside of 24 hour window' do
+          InstallationConfig.where(name: 'ENABLE_INSTAGRAM_CHANNEL_HUMAN_AGENT').first_or_create(value: true)
+
+          create(:message, account: instagram_conversation.account, inbox: instagram_inbox, conversation: instagram_conversation,
+                           created_at: 48.hours.ago)
+
+          expect(conversation.can_reply?).to be true
+        end
+
+        it 'return false without HUMAN_AGENT if it is outside of 24 hour window' do
+          InstallationConfig.where(name: 'ENABLE_INSTAGRAM_CHANNEL_HUMAN_AGENT').first_or_create(value: false)
+
+          create(:message, account: instagram_conversation.account, inbox: instagram_inbox, conversation: instagram_conversation,
+                           created_at: 48.hours.ago)
+
+          expect(conversation.can_reply?).to be false
+        end
+      end
     end
 
     describe 'on API channels' do