diff --git a/pkgs/development/libraries/ortp/default.nix b/pkgs/development/libraries/ortp/0.13.1.nix
similarity index 60%
rename from pkgs/development/libraries/ortp/default.nix
rename to pkgs/development/libraries/ortp/0.13.1.nix
index 4fc51a3ce85b..ea1cd64b3d27 100644
--- a/pkgs/development/libraries/ortp/default.nix
+++ b/pkgs/development/libraries/ortp/0.13.1.nix
@@ -1,11 +1,9 @@
-
 args: with args;
 stdenv.mkDerivation rec {
-  name = "ortp-0.13.1";
+  name = "ortp-" + version;
 
   src = fetchurl {
-    url =
-	"http://download.savannah.nongnu.org/releases/linphone/ortp/sources/${name}.tar.gz";
+    url = "mirror://savannah/linphone/ortp/sources/${name}.tar.gz";
     sha256 = "0k2963v4b15xnf4cpkpgjhsb8ckxpf6vdr8dnw7z3mzilji7391b";
   };
 
@@ -13,6 +11,6 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "a Real-Time Transport Protocol (RFC3550) stack under LGPL";
-	homepage = http://www.linphone.org/index.php/eng/code_review/ortp;
+    homepage = http://www.linphone.org/index.php/eng/code_review/ortp;
   };
 }
diff --git a/pkgs/development/libraries/ortp/0.7.1.nix b/pkgs/development/libraries/ortp/0.7.1.nix
new file mode 100644
index 000000000000..7bedf39f8be1
--- /dev/null
+++ b/pkgs/development/libraries/ortp/0.7.1.nix
@@ -0,0 +1,16 @@
+args: with args;
+stdenv.mkDerivation rec {
+  name = "ortp-" + version;
+
+  src = fetchurl {
+    url = "mirror://savannah/linphone/ortp/sources/${name}.tar.gz";
+    sha256 = "0gyl0yzfg78sjhbwnwc2g8yn4riwd1wcv183qihgan6z2d5cfbrg";
+  };
+
+  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 23752af9070c..3277ef666980 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2533,7 +2533,7 @@ rec {
     inherit fetchurl stdenv perl;
   };
 
-  ortp = import ../development/libraries/ortp {
+  ortp = selectVersion ../development/libraries/ortp "0.13.1" {
     inherit fetchurl stdenv;
   };