diff --git a/NEWS b/NEWS
index a684b44af..687b27f98 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+linphone-3.4.2 -- March 3rd, 2011
+	* fix problems with webcams on windows
+	Requires mediastreamer-2.7.2
+
 linphone-3.4.1 -- February 17th, 2011
 	* bugfixes
 	* gtk executable is renamed "linphone" (was linphone-3 before)
diff --git a/README.mingw b/README.mingw
index 557a8e642..5fa56c844 100644
--- a/README.mingw
+++ b/README.mingw
@@ -49,6 +49,8 @@ rm /lib/libgcc.a /lib/libmingw32.a /lib/libmingwex.a
 
 #Remove libintl from gtk, we don't need it and it conflicts with the one supplied by mingw.
 rm /lib/libintl.dll.a
+rm /lib/libintl.la
+rm /lib/libintl.a
 rm /include/intl.h
 
 * Download and install Inno Setup Compiler (required only if you run 'make setup.exe'). Add it to your windows Path environment variable.
@@ -56,7 +58,8 @@ rm /include/intl.h
 Get Linphone source code
 ************************
 
-Install msys-git from (http://code.google.com/p/msysgit/)
+Install msys-git from (http://code.google.com/p/msysgit/). During installation you are asked to make a choice about how line endings are treated by git.
+Choose "Checkout line endings as they are, commit as they are". THIS CHOICE IS VERY IMPORTANT. OTHERS BREAK AUTOMAKE.
 
 It is recommended that you create a directory somewhere with a path without any spaces or ~ characters, for example
 c:\sources\
diff --git a/configure.ac b/configure.ac
index 3053a71dd..c4198463d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([linphone],[3.4.1],[linphone-developers@nongnu.org])
+AC_INIT([linphone],[3.4.2],[linphone-developers@nongnu.org])
 AC_CANONICAL_SYSTEM
 AC_CONFIG_SRCDIR([coreapi/linphonecore.c])
 
diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index d3935700d..899cb66cb 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -623,7 +623,7 @@ static void video_stream_event_cb(void *user_pointer, const MSFilter *f, const u
 	ms_warning("In linphonecall.c: video_stream_event_cb");
 	switch (event_id) {
 		case MS_VIDEO_DECODER_DECODING_ERRORS:
-			ms_warning("CAse is MS_VIDEO_DECODER_DECODING_ERRORS");
+			ms_warning("Case is MS_VIDEO_DECODER_DECODING_ERRORS");
 			linphone_call_send_vfu_request((LinphoneCall*) user_pointer);
 			break;
 		default:
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 7b6a01640..062e345b0 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -496,10 +496,6 @@ static void sip_config_read(LinphoneCore *lc)
 	ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 	if (ipv6==-1){
 		ipv6=0;
-		if (host_has_ipv6_network()){
-			if (lc->vtable.display_message)
-				lc->vtable.display_message(lc,_("Your machine appears to be connected to an IPv6 network. By default linphone always uses IPv4. Please update your configuration if you want to use IPv6"));
-		}
 	}
 	linphone_core_enable_ipv6(lc,ipv6);
 	memset(&tr,0,sizeof(tr));
@@ -3590,6 +3586,12 @@ void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
 		ms_error("No dtmf generator at this time !");
 		return;
 	}
+
+	// Play DTMF only when in call
+	if (!linphone_core_in_call(lc)) {
+		return;
+	}
+
 	if (duration_ms>0)
 		ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
 	else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
diff --git a/coreapi/linphonecore_jni.cc b/coreapi/linphonecore_jni.cc
index 1284f81b2..df1583c7b 100644
--- a/coreapi/linphonecore_jni.cc
+++ b/coreapi/linphonecore_jni.cc
@@ -1173,3 +1173,6 @@ extern "C" void Java_org_linphone_core_LinphoneProxyConfigImpl_setExpires(JNIEnv
 	linphone_proxy_config_expires((LinphoneProxyConfig *) ptr, (int) delay);
 }
 
+extern "C" jint Java_org_linphone_core_LinphoneCallImpl_getDuration(JNIEnv*  env,jobject thiz,jlong ptr) {
+	linphone_call_get_duration((LinphoneCall *) ptr);
+}
\ No newline at end of file
diff --git a/coreapi/misc.c b/coreapi/misc.c
index 059c6228c..799de3aee 100644
--- a/coreapi/misc.c
+++ b/coreapi/misc.c
@@ -345,52 +345,6 @@ bool_t lp_spawn_command_line_sync(const char *command, char **result,int *comman
 	return FALSE;
 }
 
-#if defined(HAVE_GETIFADDRS) && defined(INET6)
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <ifaddrs.h>
-bool_t host_has_ipv6_network()
-{
-	struct ifaddrs *ifp;
-	struct ifaddrs *ifpstart;
-	bool_t ipv6_present=FALSE;
-
-	if (getifaddrs (&ifpstart) < 0)
-	{
-		return FALSE;
-	}
-
-	for (ifp=ifpstart; ifp != NULL; ifp = ifp->ifa_next)
-	{
-		if (!ifp->ifa_addr)
-		  continue;
-
-		switch (ifp->ifa_addr->sa_family) {
-		case AF_INET:
-
-			break;
-		case AF_INET6:
-		    ipv6_present=TRUE;
-			break;
-		default:
-		        continue;
-  		}
-	}
-
-	freeifaddrs (ifpstart);
-
-	return ipv6_present;
-}
-#else
-
-bool_t host_has_ipv6_network()
-{
-	return FALSE;
-}
-
-
-#endif
-
 static ortp_socket_t create_socket(int local_port){
 	struct sockaddr_in laddr;
 	ortp_socket_t sock;
diff --git a/java/common/org/linphone/core/LinphoneCall.java b/java/common/org/linphone/core/LinphoneCall.java
index 171e2e6b4..b8e03ac1d 100644
--- a/java/common/org/linphone/core/LinphoneCall.java
+++ b/java/common/org/linphone/core/LinphoneCall.java
@@ -137,50 +137,55 @@ public interface LinphoneCall {
 	/**
 	 * Retrieves the call's current state.
 	**/
-	public State getState();
+	State getState();
 	
 	/**
 	 * Returns the remote address associated to this call
 	 *
 	**/
-	public LinphoneAddress  getRemoteAddress();
+	LinphoneAddress  getRemoteAddress();
 	/**
 	 * get direction of the call (incoming or outgoing).
 	 * @return CallDirection 
 	 */
-	public CallDirection getDirection();
+	CallDirection getDirection();
 	/**
 	 * get the call log associated to this call.
 	 * @Return LinphoneCallLog
 	**/
-	public LinphoneCallLog getCallLog();
+	LinphoneCallLog getCallLog();
 
-	public LinphoneCallParams getCurrentParamsCopy();
+	LinphoneCallParams getCurrentParamsCopy();
 	
-	public void enableCamera(boolean enabled);
+	void enableCamera(boolean enabled);
 	/**
 	 * Enables or disable echo cancellation.
 	 * @param enable
 	 */
-	public void enableEchoCancellation(boolean enable);
+	void enableEchoCancellation(boolean enable);
 	/**
 	 * get EC status 
 	 * @return true if echo cancellation is enabled.
 	 */
-	public boolean isEchoCancellationEnabled();
+	boolean isEchoCancellationEnabled();
 	/**
 	 * Enables or disable echo limiter cancellation.
 	 * @param enable
 	 */
-	public void enableEchoLimiter(boolean enable);
+	void enableEchoLimiter(boolean enable);
 	/**
 	 * get EL status 
 	 * @return true if echo limiter is enabled.
 	 */
-	public boolean isEchoLimiterEnabled();
+	boolean isEchoLimiterEnabled();
 	/**
 	 * Returns the object associated to a call this one is replacing.
 	 * Call replacement can occur during transfer scenarios.
 	 */
-	public LinphoneCall getReplacedCall();
+	LinphoneCall getReplacedCall();
+
+	/**
+	 * @return call duration computed from media start
+	 */
+	int getDuration();
 }
diff --git a/java/common/org/linphone/core/LinphoneCore.java b/java/common/org/linphone/core/LinphoneCore.java
index 84a38ca7d..db378d1ce 100644
--- a/java/common/org/linphone/core/LinphoneCore.java
+++ b/java/common/org/linphone/core/LinphoneCore.java
@@ -391,7 +391,8 @@ public interface LinphoneCore {
 	 */
 	public void sendDtmf(char number);
 	/**
-	 * Initiate a dtmf signal to the speqker if not in call
+	 * Initiate a dtmf signal to the speaker if not in call.
+	 * Sending of the DTMF is done in another function.
 	 * @param number
 	 * @param duration in ms , -1 for unlimited
 	 */
diff --git a/java/common/org/linphone/core/LinphoneCoreFactory.java b/java/common/org/linphone/core/LinphoneCoreFactory.java
index 6629c3dc3..836f86caa 100644
--- a/java/common/org/linphone/core/LinphoneCoreFactory.java
+++ b/java/common/org/linphone/core/LinphoneCoreFactory.java
@@ -36,14 +36,14 @@ abstract public class LinphoneCoreFactory {
 		factoryName = className;
 	}
 	
-	public static LinphoneCoreFactory instance() {
+	public static final synchronized LinphoneCoreFactory instance() {
 		try {
 		if (theLinphoneCoreFactory == null) {
 			Class lFactoryClass = Class.forName(factoryName);
 			theLinphoneCoreFactory = (LinphoneCoreFactory) lFactoryClass.newInstance();
 		}
 		} catch (Exception e) {
-			System.err.println("cannot instanciate factory ["+factoryName+"]");
+			System.err.println("Cannot instanciate factory ["+factoryName+"]");
 		}
 		return theLinphoneCoreFactory;
 	}
diff --git a/linphone-deps.filelist b/linphone-deps.filelist
index 19ea6ecde..22e069ed8 100755
--- a/linphone-deps.filelist
+++ b/linphone-deps.filelist
@@ -1,8 +1,8 @@
 ./bin/avcodec-52.dll
 ./bin/avutil-50.dll
 ./bin/libeXosip2-6.dll
-./bin/libogg.dll
-./bin/libtheora.dll
+./bin/libogg-0.dll
+./bin/libtheora-0.dll
 ./bin/libxml2-2.dll
 ./bin/libosip2-6.dll
 ./bin/libosipparser2-6.dll
diff --git a/mediastreamer2 b/mediastreamer2
index 874577ad3..fee15bc17 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 874577ad3a835255fc719da26f5dbdadf301aa01
+Subproject commit fee15bc174996771973a27bf974d740e7f657bf6