diff --git a/.gitmodules b/.gitmodules
index 376e5dfa6..5a5396802 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -58,3 +58,6 @@
 [submodule "submodules/externals/libxml2"]
 	path = submodules/externals/libxml2
 	url = git://git.gnome.org/libxml2
+[submodule "submodules/msisac"]
+	path = submodules/msisac
+	url = git://git.linphone.org/msisac
diff --git a/submodules/build/builder-iphone-os.mk b/submodules/build/builder-iphone-os.mk
index dfc86c0f6..8d649f120 100644
--- a/submodules/build/builder-iphone-os.mk
+++ b/submodules/build/builder-iphone-os.mk
@@ -63,7 +63,7 @@ endif
 LINPHONE_SRC_DIR=$(BUILDER_SRC_DIR)/linphone
 LINPHONE_BUILD_DIR=$(BUILDER_BUILD_DIR)/linphone
 
-all: build-linphone build-msilbc build-msamr build-msx264 build-mssilk build-msbcg729
+all: build-linphone build-msilbc build-msamr build-msx264 build-mssilk build-msbcg729 build-msisac
 
 # setup the switches that might trigger a linphone reconfiguration
 
@@ -131,7 +131,7 @@ veryclean: veryclean-linphone veryclean-msbcg729
 	rm -rf $(BUILDER_BUILD_DIR)
 
 # list of the submodules to build
-MS_MODULES      := msilbc libilbc msamr mssilk msx264
+MS_MODULES      := msilbc libilbc msamr mssilk msx264 msisac
 SUBMODULES_LIST := polarssl libantlr belle-sip srtp zrtpcpp speex libgsm libvpx libxml2 ffmpeg opus
 
 .NOTPARALLEL build-linphone: init $(addprefix build-,$(SUBMODULES_LIST)) mode_switch_check $(LINPHONE_BUILD_DIR)/Makefile
diff --git a/submodules/build/builders.d/msisac.mk b/submodules/build/builders.d/msisac.mk
new file mode 100644
index 000000000..d6dcd61c7
--- /dev/null
+++ b/submodules/build/builders.d/msisac.mk
@@ -0,0 +1,43 @@
+############################################################################
+# msisac.mk 
+# Copyright (C) 2014  Belledonne Communications,Grenoble France
+#
+############################################################################
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+############################################################################
+msisac_dir?=msisac
+$(BUILDER_SRC_DIR)/$(msisac_dir)/configure:
+	cd $(BUILDER_SRC_DIR)/$(msisac_dir) && ./autogen.sh
+
+$(BUILDER_BUILD_DIR)/$(msisac_dir)/Makefile: $(BUILDER_SRC_DIR)/$(msisac_dir)/configure
+	mkdir -p $(BUILDER_BUILD_DIR)/$(msisac_dir)
+	cd $(BUILDER_BUILD_DIR)/$(msisac_dir)/ \
+	&& PKG_CONFIG_LIBDIR=$(prefix)/lib/pkgconfig CONFIG_SITE=$(BUILDER_SRC_DIR)/build/$(config_site) \
+	$(BUILDER_SRC_DIR)/$(msisac_dir)/configure -prefix=$(prefix) --host=$(host) ${library_mode}  
+
+build-msisac: $(BUILDER_BUILD_DIR)/$(msisac_dir)/Makefile
+	cd $(BUILDER_BUILD_DIR)/$(msisac_dir) && PKG_CONFIG_LIBDIR=$(prefix)/lib/pkgconfig CONFIG_SITE=$(BUILDER_SRC_DIR)/build/$(config_site)  make && make install
+
+clean-msisac:
+	cd  $(BUILDER_BUILD_DIR)/$(msisac_dir) && make clean
+
+veryclean-msisac:
+	-cd $(BUILDER_BUILD_DIR)/$(msisac_dir) && make distclean 
+	-cd $(BUILDER_SRC_DIR)/$(msisac_dir) && rm -f configure
+
+clean-makefile-msisac:
+	cd $(BUILDER_BUILD_DIR)/$(msisac_dir) && rm -f Makefile
diff --git a/submodules/msisac b/submodules/msisac
new file mode 160000
index 000000000..e65bcdff6
--- /dev/null
+++ b/submodules/msisac
@@ -0,0 +1 @@
+Subproject commit e65bcdff6866d45d0cda6c36a9414a97ad6e917d