diff --git a/pkgs/development/libraries/ortp/default.nix b/pkgs/development/libraries/ortp/default.nix
new file mode 100644
index 000000000000..4fc51a3ce85b
--- /dev/null
+++ b/pkgs/development/libraries/ortp/default.nix
@@ -0,0 +1,18 @@
+
+args: with args;
+stdenv.mkDerivation rec {
+  name = "ortp-0.13.1";
+
+  src = fetchurl {
+    url =
+	"http://download.savannah.nongnu.org/releases/linphone/ortp/sources/${name}.tar.gz";
+    sha256 = "0k2963v4b15xnf4cpkpgjhsb8ckxpf6vdr8dnw7z3mzilji7391b";
+  };
+
+  configureFlags = "--enable-shared --disable-static";
+
+  meta = {
+    description = "a Real-Time Transport Protocol (RFC3550) stack under LGPL";
+	homepage = http://www.linphone.org/index.php/eng/code_review/ortp;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1418127cc487..fbfae579af62 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2369,6 +2369,10 @@ rec {
     inherit fetchurl stdenv perl;
   };
 
+  ortp = import ../development/libraries/ortp {
+    inherit fetchurl stdenv;
+  };
+
   pangoxsl = import ../development/libraries/pangoxsl {
     inherit fetchurl stdenv pkgconfig;
     inherit (gtkLibs) glib pango;