diff --git a/twilio-iac/helplines/gy/configs/service-configuration/staging.json b/twilio-iac/helplines/gy/configs/service-configuration/staging.json
index 77b3ac86bf..19114e5feb 100644
--- a/twilio-iac/helplines/gy/configs/service-configuration/staging.json
+++ b/twilio-iac/helplines/gy/configs/service-configuration/staging.json
@@ -14,7 +14,7 @@
             "use_twilio_lambda_janitor": true,
             "use_twilio_lambda_transfers": true,
             "use_twilio_lambda_to_send_messages": true,
-            "use_twilio_lambda_to_transition_participants": false,
+            "use_twilio_lambda_to_transition_participants": true,
             "use_twilio_lambda_media_urls": true,
             "use_twilio_lambda_worker_info": true,
             "use_twilio_lambda_to_issue_sync_token": true,
diff --git a/twilio-iac/helplines/sg/configs/service-configuration/staging.json b/twilio-iac/helplines/sg/configs/service-configuration/staging.json
index 04c882aa3b..7f312aafb1 100644
--- a/twilio-iac/helplines/sg/configs/service-configuration/staging.json
+++ b/twilio-iac/helplines/sg/configs/service-configuration/staging.json
@@ -4,16 +4,16 @@
         "enableConferencing": true,
         "feature_flags": {
             "enable_conferencing": true,
-            "use_twilio_lambda_adjust_capacity": false,
+            "use_twilio_lambda_adjust_capacity": true,
             "use_twilio_lambda_for_conversation_duration": true,
             "use_twilio_lambda_for_iwf_reporting": true,
             "use_twilio_lambda_for_offline_contact_tasks": true,
-            "use_twilio_lambda_janitor": false,
-            "use_twilio_lambda_to_transition_participants": false,
-            "use_twilio_lambda_transfers": false
+            "use_twilio_lambda_janitor": true,
+            "use_twilio_lambda_to_transition_participants": true,
+            "use_twilio_lambda_transfers": true
         },
         "helpline_code": "sg",
         "form_definitions_base_url": "https://assets-staging.tl.techmatters.org/form-definitions/",
         "logo_url" : "https://aselo-logo.s3.amazonaws.com/200+transparent+background+no+TM+staging.png"
     }
-}
\ No newline at end of file
+}
diff --git a/twilio-iac/helplines/sg/staging.hcl b/twilio-iac/helplines/sg/staging.hcl
index 050d55c4f8..94662b3b89 100644
--- a/twilio-iac/helplines/sg/staging.hcl
+++ b/twilio-iac/helplines/sg/staging.hcl
@@ -9,6 +9,7 @@ locals {
 
   local_config = {
     operating_hours_enforced_override     = false
+    enable_lambda_event_callback_url      = true
     custom_task_routing_filter_expression = "channelType =='voice' OR channelType =='web'"
     flow_vars = {
       service_sid                   = "ZS8a0d3bbfb230721c2609641ca8e17ce1"
@@ -79,4 +80,4 @@ locals {
 
     }
   }
-}
\ No newline at end of file
+}
diff --git a/twilio-iac/helplines/th/configs/service-configuration/staging.json b/twilio-iac/helplines/th/configs/service-configuration/staging.json
index 4242e85b0a..09570ab62f 100644
--- a/twilio-iac/helplines/th/configs/service-configuration/staging.json
+++ b/twilio-iac/helplines/th/configs/service-configuration/staging.json
@@ -2,13 +2,13 @@
     "attributes": {
         "feature_flags": {
             "enable_client_profiles": true,
-            "use_twilio_lambda_adjust_capacity": false,
+            "use_twilio_lambda_adjust_capacity": true,
             "use_twilio_lambda_for_conversation_duration": true,
             "use_twilio_lambda_for_iwf_reporting": true,
             "use_twilio_lambda_for_offline_contact_tasks": true,
-            "use_twilio_lambda_janitor": false,
-            "use_twilio_lambda_to_transition_participants": false,
-            "use_twilio_lambda_transfers": false,
+            "use_twilio_lambda_janitor": true,
+            "use_twilio_lambda_to_transition_participants": true,
+            "use_twilio_lambda_transfers": true,
             "enable_llm_summary": true
         },
         "logo_url" : "https://aselo-logo.s3.amazonaws.com/200+transparent+background+no+TM+staging.png"
diff --git a/twilio-iac/helplines/th/staging.hcl b/twilio-iac/helplines/th/staging.hcl
index 891f5d91ff..c6d6f292bd 100644
--- a/twilio-iac/helplines/th/staging.hcl
+++ b/twilio-iac/helplines/th/staging.hcl
@@ -5,6 +5,7 @@ locals {
 
   local_config = {
     operating_hours_enforced_override     = false
+    enable_lambda_event_callback_url      = true
 
     custom_task_routing_filter_expression = "channelType IN ['web','messenger', 'instagram', 'line'] OR  twilioNumber == 'messenger:108893035300837', 'instagram:17841455607284645', 'line:Uac858d9182b0e0fe1fa1b5850ab662bd' OR to=='+6625440477'"
 
diff --git a/twilio-iac/helplines/usch/configs/service-configuration/staging.json b/twilio-iac/helplines/usch/configs/service-configuration/staging.json
index 55e3710201..6a8c646ffb 100644
--- a/twilio-iac/helplines/usch/configs/service-configuration/staging.json
+++ b/twilio-iac/helplines/usch/configs/service-configuration/staging.json
@@ -5,13 +5,13 @@
         "resources_base_url": "https://hrm-staging.tl.techmatters.org",
         "logo_url" : "https://aselo-logo.s3.amazonaws.com/200+transparent+background+no+TM+staging.png",
         "feature_flags": {
-            "use_twilio_lambda_adjust_capacity": false,
+            "use_twilio_lambda_adjust_capacity": true,
             "use_twilio_lambda_for_conversation_duration": true,
             "use_twilio_lambda_for_iwf_reporting": true,
             "use_twilio_lambda_for_offline_contact_tasks": true,
-            "use_twilio_lambda_janitor": false,
-            "use_twilio_lambda_to_transition_participants": false,
-            "use_twilio_lambda_transfers": false
+            "use_twilio_lambda_janitor": true,
+            "use_twilio_lambda_to_transition_participants": true,
+            "use_twilio_lambda_transfers": true
         }
     }
-}
\ No newline at end of file
+}
diff --git a/twilio-iac/helplines/usch/staging.hcl b/twilio-iac/helplines/usch/staging.hcl
index d9f33113e2..2ae549db45 100644
--- a/twilio-iac/helplines/usch/staging.hcl
+++ b/twilio-iac/helplines/usch/staging.hcl
@@ -9,6 +9,7 @@ locals {
 
   local_config = {
     operating_hours_enforced_override     = false
+    enable_lambda_event_callback_url      = true
     custom_task_routing_filter_expression = ""
     flow_vars = {
       widget_from                               = "Bot"