diff --git a/pkgs/development/libraries/ilbc/default.nix b/pkgs/development/libraries/ilbc/default.nix
new file mode 100644
index 00000000000..360644cf911
--- /dev/null
+++ b/pkgs/development/libraries/ilbc/default.nix
@@ -0,0 +1,17 @@
+args: with args;
+stdenv.mkDerivation {
+  name = "ilbc-rfc3951";
+
+# I'm too lazy to extract .c source from rfc3951. So, I'm using autotools stuff
+# from linphone project
+  src = stdenv.mkDerivation {
+    name = "ilbc-rfc3951.tar.gz";
+    src = msilbc.src;
+	outputHashAlgo = "sha256";
+    outputHash = "0f6scsp72bz2ifscd8c0x57ipcxi2i4a9b4nwlnwx7a7a0hrazhj";
+    phases = "unpackPhase installPhase";
+    installPhase = "cp ilbc-rfc3951.tar.gz \${out}";
+  };
+
+  configureFlags = "--enable-shared --disable-static";
+}
diff --git a/pkgs/development/libraries/msilbc/2.0.0.nix b/pkgs/development/libraries/msilbc/2.0.0.nix
new file mode 100644
index 00000000000..8bc8f2a6c1d
--- /dev/null
+++ b/pkgs/development/libraries/msilbc/2.0.0.nix
@@ -0,0 +1,24 @@
+args: with args;
+stdenv.mkDerivation rec {
+  name = "msilbc-" + version;
+  src = fetchurl {
+    url = "http://download.savannah.gnu.org/releases/linphone/plugins/sources/${name}.tar.gz";
+    sha256 = "0ifydb7qmpync56l4hbrp36n5wrb7gadb76isp643s6wsg7l743j";
+  };
+
+  patchPhase = "sed -i /MS_FILTER_SET_FMTP/d ilbc.c";
+
+  propagatedBuildInputs = [ilbc mediastreamer];
+  buildInputs = [pkgconfig];
+
+  buildPhase = ''
+    cc -fPIC -c -pthread -o ilbc.o ilbc.c `pkg-config --cflags mediastreamer`
+    echo "next"
+    cc `pkg-config --libs mediastreamer` -shared -pthread -o libilbc.so
+  '';
+
+  installPhase = "
+    ensureDir \${out}/lib/mediastreamer/plugins
+    cp libilbc.so \${out}/lib/mediastreamer/plugins
+  ";
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b38ecf37298..3f081a74b95 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2088,6 +2088,10 @@ rec {
     inherit fetchurl stdenv;
   };
 
+  ilbc = import ../development/libraries/ilbc {
+    inherit stdenv msilbc;
+  };
+
   ilmbase = import ../development/libraries/ilmbase {
 	  inherit fetchurl stdenv;
   };
@@ -2439,6 +2443,10 @@ rec {
     inherit fetchurl stdenv;
   };
 
+  msilbc = selectVersion ../development/libraries/msilbc "2.0.0" {
+    inherit fetchurl stdenv ilbc mediastreamer pkgconfig;
+  };
+
   mysqlConnectorODBC = import ../development/libraries/mysql-connector-odbc {
     inherit fetchurl stdenv mysql libtool zlib unixODBC;
   };