diff --git a/app/system/app_config.php b/app/system/app_config.php
index 45e2ce42e6..66ddaf638e 100644
--- a/app/system/app_config.php
+++ b/app/system/app_config.php
@@ -161,5 +161,13 @@
 		$apps[$x]['default_settings'][$y]['default_setting_value'] = "#d4d4d4";
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "false";
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "";
+		$y++;
+		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "93193159-0033-43a6-99d5-5dc652b38724";
+		$apps[$x]['default_settings'][$y]['default_setting_category'] = "session";
+		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "filesystem_retention_days";
+		$apps[$x]['default_settings'][$y]['default_setting_name'] = "numeric";
+		$apps[$x]['default_settings'][$y]['default_setting_value'] = "1";
+		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
+		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Number of days to keep PHP session files on the server until the maintenance application deletes them";
 
 ?>
diff --git a/app/system/resources/classes/session.php b/app/system/resources/classes/session.php
new file mode 100644
index 0000000000..985484e977
--- /dev/null
+++ b/app/system/resources/classes/session.php
@@ -0,0 +1,68 @@
+<?php
+
+/*
+ * FusionPBX
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FusionPBX
+ *
+ * The Initial Developer of the Original Code is
+ * Mark J Crane <markjcrane@fusionpbx.com>
+ * Portions created by the Initial Developer are Copyright (C) 2008-2024
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Mark J Crane <markjcrane@fusionpbx.com>
+ * Tim Fry <tim@fusionpbx.com>
+ */
+
+/**
+ * Description of session
+ *
+ * @author Tim Fry <tim@fusionpbx.com>
+ */
+class session {
+
+	/**
+	 * Removes old php session files. Called by the maintenance application.
+	 * @param settings $settings A settings object
+	 * @return void
+	 */
+	public static function filesystem_maintenance(settings $settings): void {
+		$retention_days = $settings->get('session', 'filesystem_retention_days', '');
+		if (!empty($retention_days) && is_numeric($retention_days)) {
+			//get the session location
+			if (session_status() === PHP_SESSION_ACTIVE) {
+				//session should not normally be running already in a service
+				$session_location = session_save_path();
+			} else {
+				//session has to be started to get the path
+				session_start();
+				$session_location = session_save_path();
+				session_destroy();
+			}
+			//loop through all files and check the modified time
+			$files = glob($session_location . '/sess_*');
+			foreach ($files as $file) {
+				if (maintenance_service::days_since_modified($file) > $retention_days) {
+					//remove old file
+					if (unlink($file)) {
+						maintenance_service::log_write(self::class, "Removed old session file $file");
+					} else {
+						maintenance_service::log_write(self::class, "Unable to remove old session file $file", null, maintenance_service::LOG_ERROR);
+					}
+				}
+			}
+		}
+	}
+}