diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 4d1700ed99a..d184bec9d84 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -121,6 +121,7 @@
   ./programs/bash-my-aws.nix
   ./programs/bcc.nix
   ./programs/browserpass.nix
+  ./programs/calls.nix
   ./programs/captive-browser.nix
   ./programs/ccache.nix
   ./programs/cdemu.nix
diff --git a/nixos/modules/programs/calls.nix b/nixos/modules/programs/calls.nix
new file mode 100644
index 00000000000..59961625e5d
--- /dev/null
+++ b/nixos/modules/programs/calls.nix
@@ -0,0 +1,25 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.programs.calls;
+in {
+  options = {
+    programs.calls = {
+      enable = mkEnableOption ''
+        Whether to enable GNOME calls: a phone dialer and call handler.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [
+      pkgs.calls
+    ];
+
+    services.dbus.packages = [
+      pkgs.callaudiod
+    ];
+  };
+}
diff --git a/pkgs/applications/networking/calls/default.nix b/pkgs/applications/networking/calls/default.nix
index 52e1bc50601..68ab73da01e 100644
--- a/pkgs/applications/networking/calls/default.nix
+++ b/pkgs/applications/networking/calls/default.nix
@@ -94,6 +94,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "A phone dialer and call handler";
+    longDescription = "GNOME Calls is a phone dialer and call handler. Setting NixOS option `programs.calls.enable = true` is recommended.";
     homepage = "https://source.puri.sm/Librem5/calls";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ craigem lheckemann ];