diff --git a/pkgs/tools/networking/sipsak/default.nix b/pkgs/tools/networking/sipsak/default.nix
new file mode 100644
index 000000000000..941e1d809ba1
--- /dev/null
+++ b/pkgs/tools/networking/sipsak/default.nix
@@ -0,0 +1,25 @@
+{ stdenv, fetchurl, autoreconfHook, c-ares, openssl ? null }:
+
+stdenv.mkDerivation rec {
+  name = "sipsak-${version}";
+  version = "4.1.2.1";
+
+  buildInputs = [
+    autoreconfHook
+    openssl
+    c-ares
+  ];
+
+  src = fetchurl {
+    url = "https://github.com/sipwise/sipsak/archive/mr${version}.tar.gz";
+    sha256 = "769fe59966b1962b67aa35aad7beb9a2110ebdface36558072a05c6405fb5374";
+  };
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/sipwise/sipsak;
+    description = "SIP Swiss army knife";
+    license = stdenv.lib.licenses.gpl2;
+  };
+
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 00f3b0fd0d3e..6fbaec541ed3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3151,6 +3151,8 @@ let
 
   simplescreenrecorder = callPackage ../applications/video/simplescreenrecorder { };
 
+  sipsak = callPackage ../tools/networking/sipsak { };
+
   skippy-xd = callPackage ../tools/X11/skippy-xd {};
 
   skydns = goPackages.skydns.bin // { outputs = [ "bin" ]; };