diff --git a/linphone-app/assets/assistant/create-app-sip-account.rc b/linphone-app/assets/assistant/create-app-sip-account.rc
index 29b8838c2..5ae81029d 100644
--- a/linphone-app/assets/assistant/create-app-sip-account.rc
+++ b/linphone-app/assets/assistant/create-app-sip-account.rc
@@ -16,7 +16,7 @@
     <entry name="reg_sendregister" overwrite="true">1</entry>
     <entry name="nat_policy_ref" overwrite="true">nat_policy_default_values</entry>
     <entry name="realm" overwrite="true">sip.linphone.org</entry>
-    <entry name="contact_parameters" overwrite="true">message-expires=604800</entry>
+    <entry name="contact_parameters" overwrite="true">message-expires=2419200</entry>
     <entry name="conference_factory_uri" overwrite="true">sip:conference-factory@sip.linphone.org</entry>
     <entry name="audio_video_conference_factory_uri" overwrite="true">sip:videoconference-factory@sip.linphone.org</entry>
     <entry name="cpim_in_basic_chat_rooms_enabled" overwrite="true">1</entry>
diff --git a/linphone-app/assets/assistant/use-app-sip-account.rc b/linphone-app/assets/assistant/use-app-sip-account.rc
index 93c2beb93..eb5e95e5d 100644
--- a/linphone-app/assets/assistant/use-app-sip-account.rc
+++ b/linphone-app/assets/assistant/use-app-sip-account.rc
@@ -16,7 +16,7 @@
     <entry name="reg_sendregister" overwrite="true">1</entry>
     <entry name="nat_policy_ref" overwrite="true">nat_policy_default_values</entry>
     <entry name="realm" overwrite="true">sip.linphone.org</entry>
-    <entry name="contact_parameters" overwrite="true">message-expires=604800</entry>
+    <entry name="contact_parameters" overwrite="true">message-expires=2419200</entry>
 	<entry name="conference_factory_uri" overwrite="true">sip:conference-factory@sip.linphone.org</entry>
 	<entry name="audio_video_conference_factory_uri" overwrite="true">sip:videoconference-factory@sip.linphone.org</entry>
 	<entry name="cpim_in_basic_chat_rooms_enabled" overwrite="true">1</entry>
diff --git a/linphone-app/src/utils/Constants.hpp b/linphone-app/src/utils/Constants.hpp
index 5ea3ca22a..9106f1c1a 100644
--- a/linphone-app/src/utils/Constants.hpp
+++ b/linphone-app/src/utils/Constants.hpp
@@ -47,7 +47,7 @@ public:
 	
 	static constexpr char DefaultXmlrpcUri[] = "https://subscribe.linphone.org:444/wizard.php";
 	static constexpr char DefaultUploadLogsServer[] = "https://www.linphone.org:444/lft.php";
-	static constexpr char DefaultContactParameters[] = "message-expires=604800";
+	static constexpr char DefaultContactParameters[] = "message-expires=2419200";
 	static constexpr char DefaultContactParametersOnRemove[] = "message-expires=0";
 	static constexpr int DefaultExpires = 3600;
 	static constexpr char DownloadUrl[] = "https://www.linphone.org/technical-corner/linphone";