diff --git a/.gitmodules b/.gitmodules
index a02f89801..36c92cb5b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -107,3 +107,9 @@
 [submodule "submodules/externals/libjpeg-turbo"]
 	path = submodules/externals/libjpeg-turbo
 	url = git://git.linphone.org/libjpeg-turbo.git
+[submodule "submodules/mediastreamer2"]
+	path = submodules/mediastreamer2
+	url = git://git.linphone.org/mediastreamer2.git
+[submodule "submodules/oRTP"]
+	path = submodules/oRTP
+	url = git://git.linphone.org/ortp.git
diff --git a/submodules/mediastreamer2 b/submodules/mediastreamer2
new file mode 160000
index 000000000..2781e5a5d
--- /dev/null
+++ b/submodules/mediastreamer2
@@ -0,0 +1 @@
+Subproject commit 2781e5a5d3c150fa277765bea00ea60e61dd76c4
diff --git a/submodules/oRTP b/submodules/oRTP
new file mode 160000
index 000000000..67c0672e2
--- /dev/null
+++ b/submodules/oRTP
@@ -0,0 +1 @@
+Subproject commit 67c0672e2680baa85a74d8966b813fac259649df