diff --git a/modules/clan/phonebox/default.nix b/modules/clan/phonebox/default.nix
index 6c8a538..88a9a53 100644
--- a/modules/clan/phonebox/default.nix
+++ b/modules/clan/phonebox/default.nix
@@ -26,6 +26,7 @@
           {
             lib,
             config,
+            pkgs,
             ...
           }:
           let
@@ -316,6 +317,27 @@
                     + serverConf;
                 };
             };
+
+            systemd.services.asterisk-watcher = {
+              enable = true;
+              description = "Asterisk Configuration files watcher";
+
+              requires = [ "asterisk.service" ];
+              after = [ "network.target" ];
+              wantedBy = [ "multi-user.target" ];
+              path = with pkgs; [ inotify-tools asterisk ];
+              script = ''
+                inotifywait -m -e move /etc/asterisk |
+                while read path action file; do
+                  case "$file" in
+                    pjsip.conf)
+                      echo "restarting pjsip"
+                      asterisk -rx "pjsip reload"
+                      ;;
+                  esac
+                done
+              '';
+            };
           };
       };
   };