diff --git a/res/raw/linphonerc_factory b/res/raw/linphonerc_factory
index d4842aacb..92ee60ca2 100644
--- a/res/raw/linphonerc_factory
+++ b/res/raw/linphonerc_factory
@@ -41,7 +41,7 @@ max_calls=10
 history_max_size=100
 enable_basic_to_client_group_chat_room_migration=0
 enable_simple_group_chat_message_state=0
-aggregate_imdn=0
+aggregate_imdn=1
 
 [app]
 activation_code_length=4