diff --git a/lam/help/help.inc b/lam/help/help.inc
index 0d356cfb3..d4d6e6c5c 100644
--- a/lam/help/help.inc
+++ b/lam/help/help.inc
@@ -358,10 +358,10 @@ $helpArray = [
 				"296" => ["Headline" => _("SMS provider"),
 					"Text" => _("Please select the SMS provider that should be used for password and reset link sending.")
 				],
-				"297" => ["Headline" => _("SMS API key"),
+				"297" => ["Headline" => _("API key"),
 					"Text" => _("Please enter the API key of your SMS provider.")
 				],
-				"298" => ["Headline" => _("SMS API token"),
+				"298" => ["Headline" => _("Token"),
 					"Text" => _("Please enter the API token of your SMS provider.")
 				],
 				"299" => ["Headline" => _("Mobile phone attributes"),
diff --git a/lam/lib/config.inc b/lam/lib/config.inc
index 422b5f8af..3767df364 100644
--- a/lam/lib/config.inc
+++ b/lam/lib/config.inc
@@ -2961,7 +2961,7 @@ class LAMCfgMain {
 	public const MAIL_ATTRIBUTE_DEFAULT = 'mail';
 	public const MAIL_BACKUP_ATTRIBUTE_DEFAULT = 'passwordselfresetbackupmail';
 
-	public const SMS_ATTRIBUTES_DEFAULT = 'mobileTelephoneNumber;mobile;pager';
+	public const SMS_ATTRIBUTES_DEFAULT = 'mobileTelephoneNumber;mobile';
 
 	/** Default profile */
 	public $default;
diff --git a/lam/lib/plugins/sms/GatewayApiSmsProvider.inc b/lam/lib/plugins/sms/GatewayApiSmsProvider.inc
index 6876ca3cb..e69ab2d7c 100644
--- a/lam/lib/plugins/sms/GatewayApiSmsProvider.inc
+++ b/lam/lib/plugins/sms/GatewayApiSmsProvider.inc
@@ -63,7 +63,7 @@ class GatewayApiSmsProvider implements SmsProvider {
 			],
 			"message" => $message,
 			"label" => "LAM Pro",
-			"sender" => "LAM Pro"
+			"sender" => SmsService::SENDER_NAME
 		];
 		$postJson = json_encode($postData);
 		curl_setopt_array($curl, [
@@ -77,7 +77,6 @@ class GatewayApiSmsProvider implements SmsProvider {
 				'Accept: application/json',
 			],
 		]);
-		logNewMessage(LOG_DEBUG, 'SMS message for: ' . $number);
 		$response = curl_exec($curl);
 		$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
 		curl_close($curl);
diff --git a/lam/lib/plugins/sms/SmsApiSmsProvider.inc b/lam/lib/plugins/sms/SmsApiSmsProvider.inc
index 31a8282ff..a0fbb4bb5 100644
--- a/lam/lib/plugins/sms/SmsApiSmsProvider.inc
+++ b/lam/lib/plugins/sms/SmsApiSmsProvider.inc
@@ -74,7 +74,6 @@ class SmsApiSms implements SmsProvider {
 				'Authorization: Bearer ' . $apiToken,
 			],
 		]);
-		logNewMessage(LOG_DEBUG, 'SMS message for: ' . $number);
 		$response = curl_exec($curl);
 		$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
 		curl_close($curl);
diff --git a/lam/lib/plugins/sms/SmsService.inc b/lam/lib/plugins/sms/SmsService.inc
index 97cabec0b..19e024732 100644
--- a/lam/lib/plugins/sms/SmsService.inc
+++ b/lam/lib/plugins/sms/SmsService.inc
@@ -38,6 +38,11 @@ use LAMException;
  */
 class SmsService {
 
+	/**
+	 * Sender name for SMS display.
+	 */
+	public const SENDER_NAME = 'LAM Pro';
+
 	/**
 	 * Includes all plugin files.
 	 */
@@ -90,9 +95,21 @@ class SmsService {
 			throw new LAMException('Provider not found');
 		}
 		$provider = $providers[$providerId];
+		$number = $this->cleanNumber($number);
+		logNewMessage(LOG_DEBUG, 'SMS message for: ' . $number);
 		$provider->sendSms($message, $number, $apiKey, $apiToken);
 	}
 
+	/**
+	 * Cleans any extra characters from the telephone number.
+	 *
+	 * @param string $number number
+	 * @return string cleaned value
+	 */
+	private function cleanNumber(string $number): string {
+		return preg_replace('/[^0-9+]+/', '', $number);
+	}
+
 }
 
 /**
diff --git a/lam/lib/plugins/sms/SmsboxSms.inc b/lam/lib/plugins/sms/SmsboxSms.inc
new file mode 100644
index 000000000..2db0a0c94
--- /dev/null
+++ b/lam/lib/plugins/sms/SmsboxSms.inc
@@ -0,0 +1,101 @@
+<?php
+
+namespace LAM\PLUGINS\SMS;
+
+/*
+
+  This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
+  Copyright (C) 2025  Roland Gruber
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*/
+
+use LAMException;
+
+/**
+ * SMSBOX SMS provider.
+ *
+ * @author Roland Gruber
+ */
+
+/**
+ * SMSBOX SMS provider.
+ *
+ * @package LAM\PLUGINS\SMS
+ */
+class SmsboxSms implements SmsProvider {
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getLabel(): string {
+		return 'SMSBOX';
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getId(): string {
+		return 'smsbox';
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function sendSms(string $message, string $number, ?string $apiKey = '', ?string $apiToken = ''): void {
+		$curl = curl_init();
+		$postData = [
+			"dest" => $number,
+			"msg" => $message,
+			'charset' => 'utf-8',
+			'mode' => 'Standard',
+			'strategy' => '2'
+		];
+		curl_setopt_array($curl, [
+			CURLOPT_URL => 'https://api.smsbox.pro/1.1/api.php',
+			CURLOPT_RETURNTRANSFER => true,
+			CURLOPT_POST => true,
+			CURLOPT_POSTFIELDS => http_build_query($postData),
+			CURLOPT_HTTPHEADER => [
+				'Content-Type: application/x-www-form-urlencoded',
+				'Authorization: App ' . $apiKey,
+			],
+		]);
+		$response = curl_exec($curl);
+		$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+		curl_close($curl);
+		logNewMessage(LOG_DEBUG, 'SMS gateway response: ' . $response);
+		if (($httpCode !== 200) || ($response !== 'OK')) {
+			logNewMessage(LOG_ERR, 'Unable to send SMS: ' . $response);
+			throw new LAMException(null, '');
+		}
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function usesApiToken(): bool {
+		return false;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function usesApiKey(): bool {
+		return true;
+	}
+
+}
diff --git a/lam/lib/plugins/sms/SweegoSmsProvider.inc b/lam/lib/plugins/sms/SweegoSmsProvider.inc
index 597070dec..0b5de4a30 100644
--- a/lam/lib/plugins/sms/SweegoSmsProvider.inc
+++ b/lam/lib/plugins/sms/SweegoSmsProvider.inc
@@ -86,7 +86,6 @@ class SweegoSms implements SmsProvider {
 				'Api-Key: ' . $apiKey,
 			],
 		]);
-		logNewMessage(LOG_DEBUG, 'SMS message for: ' . $number);
 		$response = curl_exec($curl);
 		$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
 		curl_close($curl);
diff --git a/lam/templates/config/mainmanage.php b/lam/templates/config/mainmanage.php
index df9632ecc..ad898cced 100644
--- a/lam/templates/config/mainmanage.php
+++ b/lam/templates/config/mainmanage.php
@@ -768,8 +768,8 @@ if (isset($_POST['submitFormData'])) {
         $smsProviderSelect->setTableRowsToHide($smsOptionsToHide);
 		$smsProviderSelect->setTableRowsToShow($smsOptionsToShow);
 		$row->add($smsProviderSelect);
-		$row->add(new htmlResponsiveInputField(_('SMS API key'), 'smsApiKey', $cfg->smsApiKey, '297'));
-		$row->add(new htmlResponsiveInputField(_('SMS API token'), 'smsApiToken', $cfg->smsToken, '298'));
+		$row->add(new htmlResponsiveInputField(_('API key'), 'smsApiKey', $cfg->smsApiKey, '297'));
+		$row->add(new htmlResponsiveInputField(_('Token'), 'smsApiToken', $cfg->smsToken, '298'));
 		$row->add(new htmlResponsiveInputField(_("Mobile phone attributes"), 'smsAttributes', implode(';', $cfg->getSmsAttributes()), '299'));
         $smsTestButtonRow = new htmlResponsiveRow();
 		$smsTestButton = new htmlButton('testSms', _('Test settings'));