diff --git a/app/dao/notifications_dao.py b/app/dao/notifications_dao.py
index 29632e69d..6a759f261 100644
--- a/app/dao/notifications_dao.py
+++ b/app/dao/notifications_dao.py
@@ -26,8 +26,8 @@ from app.models import (
     NOTIFICATION_TEMPORARY_FAILURE,
     NOTIFICATION_PERMANENT_FAILURE,
     KEY_TYPE_NORMAL, KEY_TYPE_TEST,
-    LETTER_TYPE
-)
+    LETTER_TYPE,
+    NOTIFICATION_SENT)
 
 from app.dao.dao_utils import transactional
 from app.statsd_decorators import statsd
diff --git a/app/delivery/send_to_providers.py b/app/delivery/send_to_providers.py
index 6634daa32..4eb2f61e9 100644
--- a/app/delivery/send_to_providers.py
+++ b/app/delivery/send_to_providers.py
@@ -15,7 +15,8 @@ from app.dao.provider_details_dao import (
 )
 from app.celery.research_mode_tasks import send_sms_response, send_email_response
 from app.dao.templates_dao import dao_get_template_by_id
-from app.models import SMS_TYPE, KEY_TYPE_TEST, BRANDING_ORG, EMAIL_TYPE, NOTIFICATION_TECHNICAL_FAILURE
+from app.models import SMS_TYPE, KEY_TYPE_TEST, BRANDING_ORG, EMAIL_TYPE, NOTIFICATION_TECHNICAL_FAILURE, \
+    NOTIFICATION_SENT, NOTIFICATION_SENDING
 
 
 def send_sms_to_provider(notification):
@@ -44,7 +45,7 @@ def send_sms_to_provider(notification):
         else:
             try:
                 provider.send_sms(
-                    to=validate_and_format_phone_number(notification.to),
+                    to=validate_and_format_phone_number(notification.to, internationl=notification.international),
                     content=str(template),
                     reference=str(notification.id),
                     sender=service.sms_sender
@@ -54,7 +55,7 @@ def send_sms_to_provider(notification):
                 raise e
             else:
                 notification.billable_units = template.fragment_count
-                update_notification(notification, provider)
+                update_notification(notification, provider, notification.international)
 
         current_app.logger.info(
             "SMS {} sent to provider {} at {}".format(notification.id, provider.get_name(), notification.sent_at)
@@ -113,10 +114,13 @@ def send_email_to_provider(notification):
         statsd_client.timing("email.total-time", delta_milliseconds)
 
 
-def update_notification(notification, provider):
+def update_notification(notification, provider, international=False):
     notification.sent_at = datetime.utcnow()
     notification.sent_by = provider.get_name()
-    notification.status = 'sending'
+    if international:
+        notification.status = NOTIFICATION_SENT
+    else:
+        notification.status = NOTIFICATION_SENDING
     dao_update_notification(notification)
 
 
diff --git a/tests/app/dao/test_notification_dao.py b/tests/app/dao/test_notification_dao.py
index 99d1200ec..e43f5f5de 100644
--- a/tests/app/dao/test_notification_dao.py
+++ b/tests/app/dao/test_notification_dao.py
@@ -352,6 +352,14 @@ def test_should_update_status_by_id_if_created(notify_db, notify_db_session):
     assert updated.status == 'failed'
 
 
+def test_should_not_update_status_by_reference_if_in_sent_status(notify_db, notify_db_session):
+    assert 1 == 2
+
+
+def test_should_not_update_status_by_id_if_in_sent_status(notify_db, notify_db_session):
+    assert 1 == 2
+
+
 def test_should_not_update_status_by_reference_if_not_sending(notify_db, notify_db_session):
     notification = sample_notification(notify_db, notify_db_session, status='created', reference='reference')
     assert Notification.query.get(notification.id).status == 'created'
diff --git a/tests/app/delivery/test_send_to_providers.py b/tests/app/delivery/test_send_to_providers.py
index 063d86e71..3965c2af3 100644
--- a/tests/app/delivery/test_send_to_providers.py
+++ b/tests/app/delivery/test_send_to_providers.py
@@ -474,6 +474,7 @@ def test_should_update_billable_units_according_to_research_mode_and_key_type(no
     assert sample_notification.billable_units == billable_units
 
 
+<<<<<<< HEAD
 def test_should_send_sms_to_international_providers(
     restore_provider_details,
     sample_sms_template_with_html,
@@ -530,3 +531,11 @@ def test_should_send_sms_to_international_providers(
     assert notification_uk.sent_by == 'firetext'
     assert notification_int.status == 'sending'
     assert notification_int.sent_by == 'mmg'
+
+
+def test_should_send_international_sms_with_formatted_phone_number():
+    assert 1 == 2
+
+
+def test_should_set_international_phone_number_to_sent_status():
+    assert 1 == 2