clanService/phonebox: asterisk restart core when extensions.conf changed

modules/clan/phonebox/default.nix

@@ -338,6 +338,12 @@
                       asterisk -rx "pjsip reload"
                       ;;
                   esac
+                  case "$file" in
+                    extensions.conf)
+                      echo "restarting core"
+                      asterisk -rx "core restart now"
+                      ;;
+                  esac
                 done
               '';
             };