diff --git a/nix/pkgs/default.nix b/nix/pkgs/default.nix
index 8e07214d9c..1db86af820 100644
--- a/nix/pkgs/default.nix
+++ b/nix/pkgs/default.nix
@@ -81,4 +81,6 @@
     callPackage ./archipelago {
       factorio-rcon-py = callPackage ./archipelago/factorio-rcon-py.nix { };
     };
+
+  freeswitch-sounds = pkgs.callPackage ./freeswitch-sounds.nix { };
 } // (import ./heptapod-runner args)
diff --git a/nix/pkgs/freeswitch-sounds.nix b/nix/pkgs/freeswitch-sounds.nix
new file mode 100644
index 0000000000..b61f8b1e3c
--- /dev/null
+++ b/nix/pkgs/freeswitch-sounds.nix
@@ -0,0 +1,38 @@
+{ stdenv
+, fetchFromGitHub
+, ... }:
+
+stdenv.mkDerivation rec {
+  pname = "freeswitch-sounds";
+  version = "1.0.53";
+
+  src = fetchFromGitHub {
+    owner = "freeswitch";
+    repo = "freeswitch-sounds";
+    rev = "fbe44d17b3cb13fcc8dff190d232162e411ce2db";
+    sha256 = "sha256:021qbdvbhc63va32xndqbdanjysijx2b5an3bzw4ya7b2icnfl0s";
+  };
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir $out
+    for voice in en/ca/june en/us/{allison,callie} es/ar/mario fr/ca/june pt/BR/karina ru/RU/{elena,kirill,vika} sv/se/jakob zh/{cn,hk}/sinmei; do
+      mkdir -p $out/$voice
+      for category in $voice/*; do
+        test -d $category || continue
+
+        for f in $category/*/*; do
+          filename=$(basename $f)
+          rootname=$(dirname $(dirname $f))
+          mkdir -p $out/$rootname
+          cp $f $out/$rootname/$filename
+        done
+      done
+    done
+
+    cp -Rv music $out/music
+
+    runHook postInstall
+  '';
+}