diff --git a/elhub_sdk/acknolwedgment.py b/elhub_sdk/acknolwedgment.py
index 30462df..5ae4785 100644
--- a/elhub_sdk/acknolwedgment.py
+++ b/elhub_sdk/acknolwedgment.py
@@ -13,6 +13,7 @@
 request have been acknowledged.
 
 """
+
 import logging
 import uuid
 from datetime import datetime
@@ -54,7 +55,7 @@ def acknowledge_poll(
 
     """
 
-    factory = client.type_factory('ns4')
+    factory = client.type_factory('ns7')
     eh_request = factory.Acknowledgement(
         Header={
             'Identification': uuid.uuid4(),
@@ -81,7 +82,7 @@ def acknowledge_poll(
         },
         ProcessEnergyContext={  # https://dok.elhub.no/ediel2/general#General-Process
             'EnergyBusinessProcess': {
-                '_value_1': BSR_IDS.METERING_VALUES.value,
+                '_value_1': BSR_IDS.POLL.value,
                 'listAgencyIdentifier': LIST_AGENCY_IDENTIFIER.ELHUB.value,
             },
             'EnergyBusinessProcessRole': {
@@ -100,7 +101,7 @@ def acknowledge_poll(
     )
 
     try:
-        response = client.service.Acknowledge(eh_request)
+        response = client.service.AcknowledgePoll(eh_request)
         if history.last_received:
             return True
         logger.error(f"Unknown error: {response}")
diff --git a/elhub_sdk/enums.py b/elhub_sdk/enums.py
index 16e569f..8782236 100644
--- a/elhub_sdk/enums.py
+++ b/elhub_sdk/enums.py
@@ -51,6 +51,7 @@ class BSR_IDS(Enum):
     METERING_VALUES = "BRS-NO-315"
     THIRD_PARTY = "BRS-NO-622"
     METERING_POINT_CHARACTERISTICS = "BRS-NO-611"
+    POLL = "POLL"
 
 
 class ROLES(Enum):
@@ -90,7 +91,6 @@ class THIRD_PARTY_ACTION(Enum):
     UPDATE = "Update"
 
 
-
 class STATUS_TYPE(Enum):
     """
     Status Type
diff --git a/tests/test_integration.py b/tests/test_integration.py
index 5029a72..7c6a996 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -131,7 +131,7 @@ def test_acknowledge_poll_metering_values():
 
     client, history = APIClient.get_client(
         environment=ElHubEnvironment.TEST,
-        service=ElHubService.METERING_VALUES,
+        service=ElHubService.POOL_METERING_VALUES,
         key_file=KEY_FILE,
         cert_file=CERT_FILE,
     )