diff --git a/linphone/scripts/builder-arm-ming32ce.mk b/linphone/scripts/builder-arm-ming32ce.mk
index 3b96f9821..30d8c652a 100644
--- a/linphone/scripts/builder-arm-ming32ce.mk
+++ b/linphone/scripts/builder-arm-ming32ce.mk
@@ -1,5 +1,6 @@
 host:=armv4-mingw32ce
 config_site:=cegcc-config.site
 library_mode:=""
+libosip2_version:=svn
 
 include builder-generic.mk
diff --git a/linphone/scripts/builder-generic.mk b/linphone/scripts/builder-generic.mk
index 4c055fc00..61a498185 100644
--- a/linphone/scripts/builder-generic.mk
+++ b/linphone/scripts/builder-generic.mk
@@ -1,7 +1,7 @@
 host?=armv6-apple-darwin
 config_site?=iphone-config.site
 library_mode?= --disable-shared 
-libosip2_version=3.3.0
+libosip2_version?=3.3.0
 libeXosip2_version=3.3.0
 libspeex_version=1.2rc1
 libgsm_version=1.0.13
@@ -60,6 +60,9 @@ get_dependencies: get_osip2_src get_eXosip2_src get_speex_src get_libgsm_src
 
 #osip2
 
+get_osip2_svn: 
+	 cd $(LINPHONE_SRC_DIR)/ \
+	&& svn co svn://svn.sv.gnu.org/osip/trunk/osip libosip2-$(libosip2_version)
 get_osip2_src: 
 	 cd $(LINPHONE_SRC_DIR)/ \
 	&& rm -f libosip2-$(libosip2_version).tar.gz \
@@ -75,7 +78,7 @@ $(LINPHONE_SRC_DIR)/libosip2-$(libosip2_version)/configure:
 $(LINPHONE_SRC_DIR)/libosip2-$(libosip2_version)/Makefile: $(LINPHONE_SRC_DIR)/libosip2-$(libosip2_version)/configure
 	 cd $(LINPHONE_SRC_DIR)/libosip2-$(libosip2_version)/ \
 	&& CONFIG_SITE=$(LINPHONE_SRC_DIR)/scripts/$(config_site) \
-	./configure -prefix=$(prefix) --host=$(host) ${library_mode}  --enable-pthread=yes
+	./configure -prefix=$(prefix) --host=$(host) ${library_mode}  
 
 build-osip2: $(LINPHONE_SRC_DIR)/libosip2-$(libosip2_version)/Makefile
 	 cd $(LINPHONE_SRC_DIR)/libosip2-$(libosip2_version) && make && make install
diff --git a/linphone/scripts/cegcc-config.site b/linphone/scripts/cegcc-config.site
index d0fb3081a..d0b728026 100644
--- a/linphone/scripts/cegcc-config.site
+++ b/linphone/scripts/cegcc-config.site
@@ -13,4 +13,4 @@ RANLIB=${SDK_BIN_PATH}/arm-mingw32ce-ranlib
 CPPFLAGS="-Dasm=__asm -D_WIN32_WCE"
 CFLAGS="-D_WIN32_WCE"
 #LDFLAGS="-Wl,-syslibroot ${SYSROOT_PATH}" 
-LDFLAGS="-L${SYSROOT_PATH}/arm-mingw32ce/lib"
+LDFLAGS="-Wl,-L${SYSROOT_PATH}/arm-mingw32ce/lib -lws2"