diff --git a/res/raw-sw600dp/linphonerc_default b/res/raw-sw600dp/linphonerc_default
index 0ef6ef6aa..94d16f8b7 100644
--- a/res/raw-sw600dp/linphonerc_default
+++ b/res/raw-sw600dp/linphonerc_default
@@ -4,7 +4,7 @@ upload_bw=512
 firewall_policy=0
 
 [sip]
-contact=sip:unknown@unknown-host
+contact="Linphone Android" sip:linphone.android@unknown-host
 use_info=0
 use_ipv6=0
 keepalive_period=30000
@@ -18,4 +18,4 @@ tunnel=disabled
 
 [tunnel]
 host=
-port=443
\ No newline at end of file
+port=443
diff --git a/res/raw/linphonerc_default b/res/raw/linphonerc_default
index 28422143d..79c0ce353 100644
--- a/res/raw/linphonerc_default
+++ b/res/raw/linphonerc_default
@@ -3,7 +3,7 @@ download_bw=380
 upload_bw=380
 
 [sip]
-contact=sip:unknown@unknown-host
+contact="Linphone Android" sip:linphone.android@unknown-host
 use_info=0
 use_ipv6=0
 keepalive_period=30000