diff --git a/modules/SMSNotifier/providers/RingCentral.php b/modules/SMSNotifier/providers/RingCentral.php
new file mode 100644
index 000000000000..7b652e8e243d
--- /dev/null
+++ b/modules/SMSNotifier/providers/RingCentral.php
@@ -0,0 +1,134 @@
+<?php
+
+/**
+ * RINGCENTRAL - sms provider.
+ */
+class SMSNotifier_RingCentral_Provider extends SMSNotifier_Basic_Provider
+{
+    /**
+     * Provider name.
+     *
+     * @var string
+     */
+    protected $name = 'RingCentral';
+
+    /**
+     * Address URL.
+     *
+     * @var string
+     */
+    protected $url = 'https://platform.ringcentral.com';
+
+    /**
+     * Encoding.
+     *
+     * @var string
+     */
+    public $encoding = 'utf-8';
+
+    /**
+     * Format.
+     *
+     * @var string
+     */
+    public $format = 'json';
+
+    /**
+     * Required fields.
+     *
+     * @return string[]
+     */
+    public function getRequiredParams()
+    {
+        return ['CLIENT_ID','RINGUSER','RINGPASS','RINGPHONE','RINGEXT'];
+    }
+
+    public function get($key)
+    {
+        return $this->$key;
+    }
+
+    /**
+     * Response.
+     *
+     * @param Requests_Response $request
+     *
+     * @return bool
+     */
+    public function getResponse(Requests_Response $request)
+    {
+        $response = \App\Json::decode($request->body);
+
+        return isset($response['error']) && !empty($response['error']) ? false : true;
+    }
+
+    /**
+     * Fields to edit in settings.
+     *
+     * @return \Settings_Vtiger_Field_Model[]
+     */
+    public function getSettingsEditFieldsModel()
+    {
+        $fields = [];
+        $moduleName = 'Settings:SMSNotifier';
+        foreach ($this->getRequiredParams() as $name) {
+            $field = ['uitype' => 1, 'column' => $name, 'name' => $name, 'displaytype' => 1, 'typeofdata' => 'V~M', 'presence' => 0, 'isEditableReadOnly' => false];
+            switch ($name){
+                case ("CLIENT_ID" || "RINGUSER" || "RINGPASS" || "RINGPHONE" || "RINGEXT"):
+                    $field['text'] = [''];
+                    $field['label'] = $name;
+                    $fields[] = $field;
+                    break;
+            }
+        }
+        foreach ($fields as &$field) {
+            $field = Settings_Vtiger_Field_Model::init($moduleName, $field);
+        }
+        return $fields;
+    }
+
+    public function getPatch()
+    {
+        $keys = $this->getRequiredParams();
+        $keys[] = $this->toName;
+        $keys[] = $this->messageName;
+        $params = [];
+        foreach ($keys as $key) {
+            $params[$key] = $this->get($key);
+        }
+
+        return $params;
+
+    }
+
+    public function send() {
+
+        $url = $this->getUrl();
+        $cliend_secret = $this->getAuthorization();
+        $patch = $this->getPatch();
+//
+        $login =  new RingCentral\SDK\SDK($patch['CLIENT_ID'], $cliend_secret, $url);
+        $platform = $login->platform();
+        $RINGCENTRAL_USERNAME = $patch['RINGUSER'];
+        $RINGCENTRAL_NUMBER = $patch['RINGPHONE'];
+        $RINGCENTRAL_PASSWORD = $patch['RINGPASS'];
+        $RINGCENTRAL_EXTENSION = $patch['RINGEXT'];
+        try {
+            $platform->login($RINGCENTRAL_USERNAME,
+                $RINGCENTRAL_EXTENSION,
+                $RINGCENTRAL_PASSWORD);
+            $params = array(
+                'from' => array('phoneNumber' => $RINGCENTRAL_NUMBER),
+                'to' => array(
+                    array('phoneNumber' => $patch['to']),
+                ),
+                'text' => $patch['message'],
+            );
+            $r = $platform->post('/account/~/extension/~/sms', $params);
+        } catch (\RingCentral\SDK\Http\ApiException $e) {
+            print 'Expected HTTP Error: ' . $e->getMessage() . PHP_EOL;
+        }
+
+        return true;
+    }
+}