diff --git a/composer.json b/composer.json
index 30353d62..21ba450b 100755
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,10 @@
 		"symfony/http-foundation": "~3.4",
 		"php-pushover/php-pushover": "dev-master",
 		"paragonie/random_compat": "^2.0",
-		"twig/twig": "~2.0"
+		"twig/twig": "~2.0",
+		"plivo/plivo-php": "^4.0",
+		"callr/sdk-php": "^0.10"
+
 	},
 	"autoload": {
 		"files": [
diff --git a/docs/intro.rst b/docs/intro.rst
index e1d0aa9c..8132855f 100644
--- a/docs/intro.rst
+++ b/docs/intro.rst
@@ -61,6 +61,8 @@ The following SMS gateways are currently available:
 * FreeMobile (FR) - <https://mobile.free.fr/>
 * Twilio - <https://twilio.com>
 * CM Telecom - <https://www.cm.com/>
+* Plivo - <https://plivo.com>
+* Callr - <https://callr.com>
 
 Please note: for these gateways you will need an account with sufficient credits.
 
diff --git a/src/includes/functions.inc.php b/src/includes/functions.inc.php
index dde0f585..0fcc584c 100644
--- a/src/includes/functions.inc.php
+++ b/src/includes/functions.inc.php
@@ -578,6 +578,12 @@ function psm_build_sms() {
 		case 'twilio':
 			$sms = new \psm\Txtmsg\Twilio();
 			break;
+		case 'plivo':
+			$sms = new \psm\Txtmsg\Plivo();
+			break;
+		case 'callr':
+			$sms = new \psm\Txtmsg\Callr();
+			break;
 	}
 
 	// copy login information from the config file
diff --git a/src/psm/Module/Config/Controller/ConfigController.php b/src/psm/Module/Config/Controller/ConfigController.php
index d0d80e2c..08f9c311 100644
--- a/src/psm/Module/Config/Controller/ConfigController.php
+++ b/src/psm/Module/Config/Controller/ConfigController.php
@@ -378,6 +378,8 @@ class ConfigController extends AbstractController {
 			'label_sms_gateway_freemobilesms' => psm_get_lang('config', 'sms_gateway_freemobilesms'),
 			'label_sms_gateway_clicksend' => psm_get_lang('config', 'sms_gateway_clicksend'),
 			'label_sms_gateway_twilio' => psm_get_lang('config', 'sms_gateway_twilio'),
+			'label_sms_gateway_plivo' => psm_get_lang('config', 'sms_gateway_plivo'),
+			'label_sms_gateway_callr' => psm_get_lang('config', 'sms_gateway_callr'),
 			'label_sms_gateway_username' => psm_get_lang('config', 'sms_gateway_username'),
 			'label_sms_gateway_password' => psm_get_lang('config', 'sms_gateway_password'),
 			'label_sms_from' => psm_get_lang('config', 'sms_from'),
diff --git a/src/psm/Txtmsg/Callr.php b/src/psm/Txtmsg/Callr.php
new file mode 100644
index 00000000..9c91a2d2
--- /dev/null
+++ b/src/psm/Txtmsg/Callr.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * PHP Server Monitor
+ * Monitor your servers and websites.
+ *
+ * This file is part of PHP Server Monitor.
+ * PHP Server Monitor 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * PHP Server Monitor 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 PHP Server Monitor.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package     phpservermon
+ * @license     http://www.gnu.org/licenses/gpl.txt GNU GPL v3
+ * @version     Release: @package_version@
+ * @link        http://www.phpservermonitor.org/
+ **/
+
+namespace psm\Txtmsg;
+
+class Callr extends Core {
+	// =========================================================================
+	// [ Fields ]
+	// =========================================================================
+	public $gateway = 1;
+	public $resultcode = null;
+	public $resultmessage = null;
+	public $success = false;
+	public $successcount = 0;
+
+	// =========================================================================
+	// [ Methods ]
+	// =========================================================================
+	public function setGateway($gateway) {
+		$this->gateway = $gateway;
+	}
+
+	public function sendSMS($message) {
+		//api stuff here
+		$api		= new \CALLR\API\Client;
+		$api->setAuth(new CALLR\API\Authentication\LoginPasswordAuth($this->username, $this->password));
+
+		$options					= new stdClass;
+		$options->force_encoding	= 'GSM';
+		$options->nature			= 'ALERTING';
+		$options->flash_message		= false;//set to true if you don't want the SMS to be stored on the phone
+
+		try {
+			foreach($this->recipients as $recipient) {
+				$api->call('sms.send', [$this->originator, $recipient, $message, $options]);
+			}			
+			return 1;
+		} catch(Exception $e){			
+			if($e->getCode() == 22){
+				return "Exception: Authentication failure\r\n";
+			} else {
+				return $e->getMessage();
+			}
+		}
+	}
+}
diff --git a/src/psm/Txtmsg/Plivo.php b/src/psm/Txtmsg/Plivo.php
new file mode 100644
index 00000000..50889bf3
--- /dev/null
+++ b/src/psm/Txtmsg/Plivo.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * PHP Server Monitor
+ * Monitor your servers and websites.
+ *
+ * This file is part of PHP Server Monitor.
+ * PHP Server Monitor 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * PHP Server Monitor 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 PHP Server Monitor.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package     phpservermon
+ * @license     http://www.gnu.org/licenses/gpl.txt GNU GPL v3
+ * @version     Release: @package_version@
+ * @link        http://www.phpservermonitor.org/
+ **/
+
+namespace psm\Txtmsg;
+
+class Plivo extends Core {
+	// =========================================================================
+	// [ Fields ]
+	// =========================================================================
+	public $gateway = 1;
+	public $resultcode = null;
+	public $resultmessage = null;
+	public $success = false;
+	public $successcount = 0;
+
+	// =========================================================================
+	// [ Methods ]
+	// =========================================================================
+	public function setGateway($gateway) {
+		$this->gateway = $gateway;
+	}
+
+	public function sendSMS($message) {
+		$authId		= $this->username;
+		$authToken	= $this->password;
+		
+		$client				= new \Plivo\RestClient($authId, $authToken);
+		/* @var $message_created \Plivo\Resources\Message\MessageCreateResponse */
+		$message_created	= $client->messages->create(
+			$this->originator,
+			$this->recipients,
+			$message
+		);
+		
+		if($message_created && count($message_created->getMessageUuid()) ) {
+			return 1;
+		} else {
+			return $message_created->getMessage();
+		}
+	}
+}
diff --git a/src/templates/default/module/config/config.tpl.html b/src/templates/default/module/config/config.tpl.html
index d60eab4c..caf3a31e 100644
--- a/src/templates/default/module/config/config.tpl.html
+++ b/src/templates/default/module/config/config.tpl.html
@@ -203,6 +203,8 @@
 						<option value="smsgw" {{ sms_selected_smsgw|raw }}>{{ label_sms_gateway_smsgw }}</option>
 						<option value="nexmo" {{ sms_selected_nexmo|raw }}>{{ label_sms_gateway_nexmo }}</option>
                         <option value="twilio" {{ sms_selected_twilio|raw }}>{{ label_sms_gateway_twilio }}</option>
+						<option value="plivo" {{ sms_selected_plivo|raw }}>{{ label_sms_gateway_plivo }}</option>
+						<option value="callr" {{ sms_selected_callr|raw }}>{{ label_sms_gateway_callr }}</option>
                       </select>
                 </div>
             </div>