diff --git a/NEWS b/NEWS
index 687b27f980fa4e771d0622b96cc19bc76ce42d41..4d5bcf7c5ab7bdd7a648e0de2fb2b88552b0044b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+linphone-3.4.3 -- March 28, 2011
+	* Fully ported to mac os x with gtk-osx (menu integration, bundle generation with "make bundle", sound I/O improved) but still audio only
+	* Fix stupid warning "no response" that sometimes arrived at end of calls
+	* limit the size of the log window (to prevent memory drain)
+	* limit the size of the SDP message by removing unnecessary information (for well known codecs, for H264).
+	  This is to prevent SIP messages from being discarded by routers on the internet when they exceeds in size the internet MTU.
+	* other sip bugfixes
+	Requires mediastreamer-2.7.3
+
 linphone-3.4.2 -- March 3rd, 2011
 	* fix problems with webcams on windows
 	Requires mediastreamer-2.7.2
diff --git a/coreapi/misc.c b/coreapi/misc.c
index 799de3aeeac78469301677a84f9e25a7d4543db7..9cce4c480643be8ff645cd8fe837bdf4365439ed 100644
--- a/coreapi/misc.c
+++ b/coreapi/misc.c
@@ -763,10 +763,10 @@ void _linphone_core_configure_resolver(){
 /*bionic declares _res but does not define nor export it !!*/
 #ifdef ANDROID
 	/*timeout and attempts are the same as retrans and retry, but are android specific names.*/
-	setenv("RES_OPTIONS","timeout:1 attempts:2 retrans:1 retry:2",1);
+	setenv("RES_OPTIONS","timeout:2 attempts:2 retrans:2 retry:2",1);
 #else
 	res_init();
-	_res.retrans=1; /*retransmit every second*/
+	_res.retrans=2; /*retransmit every two seconds*/
 	_res.retry=2; /*only two times per DNS server*/
 #endif
 }
diff --git a/mediastreamer2 b/mediastreamer2
index 5c139fbb21e7715b36a0b7e609d821f74dd01b8d..6f2612b01543400f4a00d0ec8373fe2cb249aa56 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 5c139fbb21e7715b36a0b7e609d821f74dd01b8d
+Subproject commit 6f2612b01543400f4a00d0ec8373fe2cb249aa56