diff --git a/pkgs/applications/networking/pjsip/default.nix b/pkgs/applications/networking/pjsip/default.nix
new file mode 100644
index 000000000000..efe39d9710d4
--- /dev/null
+++ b/pkgs/applications/networking/pjsip/default.nix
@@ -0,0 +1,18 @@
+{stdenv, fetchurl, openssl, libsamplerate}:
+
+stdenv.mkDerivation {
+  name = "pjsip-1.8.10";
+
+  src = fetchurl {
+    url = http://www.pjsip.org/release/1.8.10/pjproject-1.8.10.tar.bz2;
+    sha256 = "1v2mgbgzn7d3msb406jmg69ms97a0rqg58asykx71dmjipbaiqc0";
+  };
+
+  buildInputs = [ openssl libsamplerate ];
+
+  meta = {
+    description = "SIP stack and media stack for presence, im, and multimedia communication";
+    homepage = http://pjsip.org/;
+    license = "GPLv2+";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4f47ca76e287..96c1b09ca027 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7453,6 +7453,8 @@ let
 
   pgf2 = callPackage ../misc/tex/pgf/2.x.nix { };
 
+  pjsip = callPackage ../applications/networking/pjsip { };
+
   polytable = callPackage ../misc/tex/polytable { };
 
   psi = newScope pkgs.kde45 ../applications/networking/instant-messengers/psi { };