diff --git a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8.v11.suo b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8.v11.suo
index f4ee72064..b3766f1d0 100644
Binary files a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8.v11.suo and b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8.v11.suo differ
diff --git a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/laure_rc b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/laure_rc
index de69db066..443c4e918 100644
--- a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/laure_rc
+++ b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/laure_rc
@@ -1,3 +1,6 @@
+[net]
+mtu=1300
+
 [sip]
 sip_port=5092
 sip_tcp_port=5092
diff --git a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/marie_rc b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/marie_rc
index 9510974c2..760db76ba 100644
--- a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/marie_rc
+++ b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/marie_rc
@@ -1,3 +1,6 @@
+[net]
+mtu=1300
+
 [sip]
 sip_port=5082
 sip_tcp_port=5082
diff --git a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/multi_account_lrc b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/multi_account_lrc
index 9fa381b98..ea24951a3 100644
--- a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/multi_account_lrc
+++ b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/multi_account_lrc
@@ -1,3 +1,6 @@
+[net]
+mtu=1300
+
 [sip]
 sip_port=5072
 sip_tcp_port=5072
diff --git a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/pauline_rc b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/pauline_rc
index af6c66a93..eb588cfc6 100644
--- a/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/pauline_rc
+++ b/build/vsx/LibLinphoneTester-wp8/LibLinphoneTester-wp8/Assets/pauline_rc
@@ -1,3 +1,6 @@
+[net]
+mtu=1300
+
 [sip]
 sip_port=5072
 sip_tcp_port=5072