diff --git a/README.md b/README.md
index d4d3877..9c16498 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Use [API documentation](http://retailcrm.github.io/api-client-php)
 
 2) Run into your project directory:
 ```bash
-composer require retailcrm/api-client-php 5.* --no-dev
+composer require retailcrm/api-client-php ~5.0
 ```
 
 If you have not used `composer` before, include autoloader into your project.
@@ -30,7 +30,7 @@ require 'path/to/vendor/autoload.php';
 $client = new \RetailCrm\ApiClient(
     'https://demo.retailcrm.ru',
     'T9DMPvuNt7FQJMszHUdG8Fkt6xHsqngH',
-    'v5'
+    \RetailCrm\ApiClient::V5
 );
 
 try {
@@ -65,7 +65,7 @@ if ($response->isSuccessful()) {
 $client = new \RetailCrm\ApiClient(
     'https://demo.retailcrm.ru',
     'T9DMPvuNt7FQJMszHUdG8Fkt6xHsqngH',
-    'v4'
+    \RetailCrm\ApiClient::V4
 );
 
 try {
diff --git a/README.ru.md b/README.ru.md
index 6b5d1ea..c17989b 100644
--- a/README.ru.md
+++ b/README.ru.md
@@ -15,7 +15,7 @@ PHP-клиент для работы с [retailCRM API](http://www.retailcrm.ru/
 
 2) Выполните в папке проекта:
 ```bash
-composer require retailcrm/api-client-php 5.*  --no-dev
+composer require retailcrm/api-client-php ~5.0
 ```
 
 В конфиг `composer.json` вашего проекта будет добавлена библиотека `retailcrm/api-client-php`, которая установится в папку `vendor/`. При отсутствии файла конфига или папки с вендорами они будут созданы.
@@ -32,7 +32,7 @@ require 'path/to/vendor/autoload.php';
 $client = new \RetailCrm\ApiClient(
     'https://demo.retailcrm.ru',
     'T9DMPvuNt7FQJMszHUdG8Fkt6xHsqngH',
-    'v5'
+    \RetailCrm\ApiClient::V5
 );
 
 try {
@@ -67,7 +67,7 @@ if ($response->isSuccessful()) {
 $client = new \RetailCrm\ApiClient(
     'https://demo.retailcrm.ru',
     'T9DMPvuNt7FQJMszHUdG8Fkt6xHsqngH',
-    'v4'
+    \RetailCrm\ApiClient::V4
 );
 
 try {
diff --git a/lib/RetailCrm/ApiClient.php b/lib/RetailCrm/ApiClient.php
index b589f15..a1f531e 100644
--- a/lib/RetailCrm/ApiClient.php
+++ b/lib/RetailCrm/ApiClient.php
@@ -34,6 +34,10 @@ class ApiClient
     public $request;
     public $version;
 
+    const V3 = 'v3';
+    const V4 = 'v4';
+    const V5 = 'v5';
+
     /**
      * Init version based client
      *
@@ -43,18 +47,18 @@ class ApiClient
      * @param string $site    site code
      *
      */
-    public function __construct($url, $apiKey, $version = 'v5', $site = null)
+    public function __construct($url, $apiKey, $version = self::V5, $site = null)
     {
         $this->version = $version;
 
         switch ($version) {
-            case 'v5':
+            case self::V5:
                 $this->request = new ApiVersion5($url, $apiKey, $version, $site);
                 break;
-            case 'v4':
+            case self::V4:
                 $this->request = new ApiVersion4($url, $apiKey, $version, $site);
                 break;
-            case 'v3':
+            case self::V3:
                 $this->request = new ApiVersion3($url, $apiKey, $version, $site);
                 break;
         }
diff --git a/lib/RetailCrm/Client/ApiVersion4.php b/lib/RetailCrm/Client/ApiVersion4.php
index 27f686a..3321e5d 100644
--- a/lib/RetailCrm/Client/ApiVersion4.php
+++ b/lib/RetailCrm/Client/ApiVersion4.php
@@ -49,6 +49,7 @@ class ApiVersion4 extends AbstractLoader
     use V4\Orders;
     use V4\Packs;
     use V4\References;
+    use V4\Settings;
     use V4\Statistic;
     use V4\Stores;
     use V4\Telephony;
diff --git a/lib/RetailCrm/Methods/V4/Delivery.php b/lib/RetailCrm/Methods/V4/Delivery.php
index 6c15a01..c266630 100644
--- a/lib/RetailCrm/Methods/V4/Delivery.php
+++ b/lib/RetailCrm/Methods/V4/Delivery.php
@@ -50,32 +50,6 @@ trait Delivery
         );
     }
 
-    /**
-     * Edit delivery configuration
-     *
-     * @param array $configuration
-     *
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return \RetailCrm\Response\ApiResponse
-     */
-    public function deliverySettingsEdit(array $configuration)
-    {
-        if (!count($configuration) || empty($configuration['code'])) {
-            throw new \InvalidArgumentException(
-                'Parameter `configuration` must contains a data & configuration `code` must be set'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/delivery/generic/setting/%s/edit', $configuration['code']),
-            "POST",
-            ['configuration' => json_encode($configuration)]
-        );
-    }
-
     /**
      * Delivery tracking update
      *
diff --git a/lib/RetailCrm/Methods/V4/Settings.php b/lib/RetailCrm/Methods/V4/Settings.php
new file mode 100644
index 0000000..f663a7e
--- /dev/null
+++ b/lib/RetailCrm/Methods/V4/Settings.php
@@ -0,0 +1,186 @@
+<?php
+
+/**
+ * PHP version 5.4
+ *
+ * TaskTrait
+ *
+ * @category RetailCrm
+ * @package  RetailCrm
+ * @author   RetailCrm <integration@retailcrm.ru>
+ * @license  https://opensource.org/licenses/MIT MIT License
+ * @link     http://www.retailcrm.ru/docs/Developers/ApiVersion5
+ */
+
+namespace RetailCrm\Methods\V4;
+
+/**
+ * PHP version 5.4
+ *
+ * TaskTrait class
+ *
+ * @category RetailCrm
+ * @package  RetailCrm
+ * @author   RetailCrm <integration@retailcrm.ru>
+ * @license  https://opensource.org/licenses/MIT MIT License
+ * @link     http://www.retailcrm.ru/docs/Developers/ApiVersion5
+ */
+trait Settings
+{
+
+    /**
+     * Edit store configuration
+     *
+     * @param array $configuration
+     *
+     * @throws \RetailCrm\Exception\InvalidJsonException
+     * @throws \RetailCrm\Exception\CurlException
+     * @throws \InvalidArgumentException
+     *
+     * @return \RetailCrm\Response\ApiResponse
+     */
+    public function storeSettingsEdit(array $configuration)
+    {
+        if (!count($configuration) || empty($configuration['code'])) {
+            throw new \InvalidArgumentException(
+                'Parameter `configuration` must contains a data & configuration `code` must be set'
+            );
+        }
+
+        return $this->client->makeRequest(
+            sprintf('/store/setting/%s/edit', $configuration['code']),
+            "POST",
+            ['configuration' => json_encode($configuration)]
+        );
+    }
+
+    /**
+     * Edit telephony settings
+     *
+     * @param string  $code        symbolic code
+     * @param string  $clientId    client id
+     * @param boolean $active      telephony activity
+     * @param mixed   $name        service name
+     * @param mixed   $makeCallUrl service init url
+     * @param mixed   $image       service logo url(svg file)
+     *
+     * @param array   $additionalCodes
+     * @param array   $externalPhones
+     * @param bool    $allowEdit
+     * @param bool    $inputEventSupported
+     * @param bool    $outputEventSupported
+     * @param bool    $hangupEventSupported
+     * @param bool    $changeUserStatusUrl
+     *
+     * @return \RetailCrm\Response\ApiResponse
+     */
+    public function telephonySettingsEdit(
+        $code,
+        $clientId,
+        $active = false,
+        $name = false,
+        $makeCallUrl = false,
+        $image = false,
+        $additionalCodes = [],
+        $externalPhones = [],
+        $allowEdit = false,
+        $inputEventSupported = false,
+        $outputEventSupported = false,
+        $hangupEventSupported = false,
+        $changeUserStatusUrl = false
+    ) {
+        if (!isset($code)) {
+            throw new \InvalidArgumentException('Code must be set');
+        }
+
+        $parameters['code'] = $code;
+
+        if (!isset($clientId)) {
+            throw new \InvalidArgumentException('client id must be set');
+        }
+
+        $parameters['clientId'] = $clientId;
+
+        if (!isset($active)) {
+            $parameters['active'] = false;
+        } else {
+            $parameters['active'] = $active;
+        }
+
+        if (!isset($name)) {
+            throw new \InvalidArgumentException('name must be set');
+        }
+
+        if (isset($name)) {
+            $parameters['name'] = $name;
+        }
+
+        if (isset($makeCallUrl)) {
+            $parameters['makeCallUrl'] = $makeCallUrl;
+        }
+
+        if (isset($image)) {
+            $parameters['image'] = $image;
+        }
+
+        if (isset($additionalCodes)) {
+            $parameters['additionalCodes'] = $additionalCodes;
+        }
+
+        if (isset($externalPhones)) {
+            $parameters['externalPhones'] = $externalPhones;
+        }
+
+        if (isset($allowEdit)) {
+            $parameters['allowEdit'] = $allowEdit;
+        }
+
+        if (isset($inputEventSupported)) {
+            $parameters['inputEventSupported'] = $inputEventSupported;
+        }
+
+        if (isset($outputEventSupported)) {
+            $parameters['outputEventSupported'] = $outputEventSupported;
+        }
+
+        if (isset($hangupEventSupported)) {
+            $parameters['hangupEventSupported'] = $hangupEventSupported;
+        }
+
+        if (isset($changeUserStatusUrl)) {
+            $parameters['changeUserStatusUrl'] = $changeUserStatusUrl;
+        }
+
+        return $this->client->makeRequest(
+            "/telephony/setting/$code/edit",
+            "POST",
+            ['configuration' => json_encode($parameters)]
+        );
+    }
+
+    /**
+     * Edit delivery configuration
+     *
+     * @param array $configuration
+     *
+     * @throws \RetailCrm\Exception\InvalidJsonException
+     * @throws \RetailCrm\Exception\CurlException
+     * @throws \InvalidArgumentException
+     *
+     * @return \RetailCrm\Response\ApiResponse
+     */
+    public function deliverySettingsEdit(array $configuration)
+    {
+        if (!count($configuration) || empty($configuration['code'])) {
+            throw new \InvalidArgumentException(
+                'Parameter `configuration` must contains a data & configuration `code` must be set'
+            );
+        }
+
+        return $this->client->makeRequest(
+            sprintf('/delivery/generic/setting/%s/edit', $configuration['code']),
+            "POST",
+            ['configuration' => json_encode($configuration)]
+        );
+    }
+}
diff --git a/lib/RetailCrm/Methods/V4/Stores.php b/lib/RetailCrm/Methods/V4/Stores.php
index 69e8515..b624edb 100644
--- a/lib/RetailCrm/Methods/V4/Stores.php
+++ b/lib/RetailCrm/Methods/V4/Stores.php
@@ -55,31 +55,6 @@ trait Stores
         );
     }
 
-    /**
-     * Edit store configuration
-     *
-     * @param array $configuration
-     *
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return \RetailCrm\Response\ApiResponse
-     */
-    public function storeSettingsEdit(array $configuration)
-    {
-        if (!count($configuration) || empty($configuration['code'])) {
-            throw new \InvalidArgumentException(
-                'Parameter `configuration` must contains a data & configuration `code` must be set'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/store/setting/%s/edit', $configuration['code']),
-            "POST",
-            ['configuration' => json_encode($configuration)]
-        );
-    }
 
     /**
      * Upload store prices
diff --git a/lib/RetailCrm/Methods/V4/Telephony.php b/lib/RetailCrm/Methods/V4/Telephony.php
index c9bac37..d5ccb15 100644
--- a/lib/RetailCrm/Methods/V4/Telephony.php
+++ b/lib/RetailCrm/Methods/V4/Telephony.php
@@ -30,108 +30,4 @@ use RetailCrm\Methods\V3\Telephony as Previous;
 trait Telephony
 {
     use Previous;
-
-    /**
-     * Edit telephony settings
-     *
-     * @param string  $code        symbolic code
-     * @param string  $clientId    client id
-     * @param boolean $active      telephony activity
-     * @param mixed   $name        service name
-     * @param mixed   $makeCallUrl service init url
-     * @param mixed   $image       service logo url(svg file)
-     *
-     * @param array   $additionalCodes
-     * @param array   $externalPhones
-     * @param bool    $allowEdit
-     * @param bool    $inputEventSupported
-     * @param bool    $outputEventSupported
-     * @param bool    $hangupEventSupported
-     * @param bool    $changeUserStatusUrl
-     *
-     * @return \RetailCrm\Response\ApiResponse
-     */
-    public function telephonySettingsEdit(
-        $code,
-        $clientId,
-        $active = false,
-        $name = false,
-        $makeCallUrl = false,
-        $image = false,
-        $additionalCodes = [],
-        $externalPhones = [],
-        $allowEdit = false,
-        $inputEventSupported = false,
-        $outputEventSupported = false,
-        $hangupEventSupported = false,
-        $changeUserStatusUrl = false
-    ) {
-        if (!isset($code)) {
-            throw new \InvalidArgumentException('Code must be set');
-        }
-
-        $parameters['code'] = $code;
-
-        if (!isset($clientId)) {
-            throw new \InvalidArgumentException('client id must be set');
-        }
-
-        $parameters['clientId'] = $clientId;
-
-        if (!isset($active)) {
-            $parameters['active'] = false;
-        } else {
-            $parameters['active'] = $active;
-        }
-
-        if (!isset($name)) {
-            throw new \InvalidArgumentException('name must be set');
-        }
-
-        if (isset($name)) {
-            $parameters['name'] = $name;
-        }
-
-        if (isset($makeCallUrl)) {
-            $parameters['makeCallUrl'] = $makeCallUrl;
-        }
-
-        if (isset($image)) {
-            $parameters['image'] = $image;
-        }
-
-        if (isset($additionalCodes)) {
-            $parameters['additionalCodes'] = $additionalCodes;
-        }
-
-        if (isset($externalPhones)) {
-            $parameters['externalPhones'] = $externalPhones;
-        }
-
-        if (isset($allowEdit)) {
-            $parameters['allowEdit'] = $allowEdit;
-        }
-
-        if (isset($inputEventSupported)) {
-            $parameters['inputEventSupported'] = $inputEventSupported;
-        }
-
-        if (isset($outputEventSupported)) {
-            $parameters['outputEventSupported'] = $outputEventSupported;
-        }
-
-        if (isset($hangupEventSupported)) {
-            $parameters['hangupEventSupported'] = $hangupEventSupported;
-        }
-
-        if (isset($changeUserStatusUrl)) {
-            $parameters['changeUserStatusUrl'] = $changeUserStatusUrl;
-        }
-
-        return $this->client->makeRequest(
-            "/telephony/setting/$code/edit",
-            "POST",
-            ['configuration' => json_encode($parameters)]
-        );
-    }
 }
diff --git a/lib/RetailCrm/Methods/V5/Customers.php b/lib/RetailCrm/Methods/V5/Customers.php
index 2c420ff..97774d5 100644
--- a/lib/RetailCrm/Methods/V5/Customers.php
+++ b/lib/RetailCrm/Methods/V5/Customers.php
@@ -115,7 +115,7 @@ trait Customers
         return $this->client->makeRequest(
             '/customers/notes/create',
             "POST",
-            ['note' => json_encode($note)]
+            $this->fillSite($site, ['note' => json_encode($note)])
         );
     }
 
diff --git a/tests/RetailCrm/Tests/Methods/Version4/ApiClientCustomersTest.php b/tests/RetailCrm/Tests/Methods/Version4/ApiClientCustomersTest.php
index 232ee98..73cb1a5 100644
--- a/tests/RetailCrm/Tests/Methods/Version4/ApiClientCustomersTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version4/ApiClientCustomersTest.php
@@ -34,7 +34,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersCreate()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $externalId = 'c-create-' . time();
 
@@ -59,7 +59,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCreateExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->customersCreate([]);
     }
 
@@ -73,7 +73,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersGet(array $ids)
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->customersGet(678678678);
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -99,7 +99,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersGetException()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->customersGet(678678678, 'asdf');
     }
 
@@ -111,7 +111,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersEdit(array $ids)
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->customersEdit(
             [
@@ -138,7 +138,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersEditExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->customersEdit([], 'asdf');
     }
 
@@ -148,7 +148,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersEditException()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->customersEdit(['id' => 678678678], 'asdf');
     }
 
@@ -157,7 +157,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersList()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->customersList();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -185,7 +185,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersFixExternalIdsException()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->customersFixExternalIds([]);
     }
 
@@ -194,7 +194,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersFixExternalIds()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->ordersCreate([
             'firstName' => 'Aaa111',
@@ -246,7 +246,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersUploadExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->customersUpload([]);
     }
 
@@ -255,7 +255,7 @@ class ApiClientCustomersTest extends TestCase
      */
     public function testCustomersUpload()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $externalIdA = 'upload-a-' . time();
         $externalIdB = 'upload-b-' . time();
diff --git a/tests/RetailCrm/Tests/Methods/Version4/ApiClientOrdersTest.php b/tests/RetailCrm/Tests/Methods/Version4/ApiClientOrdersTest.php
index 974a555..48363b7 100644
--- a/tests/RetailCrm/Tests/Methods/Version4/ApiClientOrdersTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version4/ApiClientOrdersTest.php
@@ -34,7 +34,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersCreate()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $externalId = 'o-create-' . time();
 
@@ -58,7 +58,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersCreateExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->ordersCreate([]);
     }
 
@@ -70,7 +70,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersStatuses(array $ids)
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->ordersStatuses();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -117,7 +117,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersGet(array $ids)
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->ordersGet(678678678);
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -143,7 +143,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersGetException()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->ordersGet(678678678, 'asdf');
     }
 
@@ -155,7 +155,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersEdit(array $ids)
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->ordersEdit(
             [
@@ -182,7 +182,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersEditExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->ordersEdit([], 'asdf');
     }
 
@@ -192,7 +192,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersEditException()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->ordersEdit(['id' => 678678678], 'asdf');
     }
 
@@ -201,7 +201,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersHistory()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->ordersHistory();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -214,7 +214,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersList()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->ordersList();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -238,7 +238,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersFixExternalIdsException()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->ordersFixExternalIds([]);
     }
 
@@ -247,7 +247,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersFixExternalIds()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->ordersCreate([
             'firstName' => 'Aaa',
@@ -292,7 +292,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersUploadExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->ordersUpload([]);
     }
 
@@ -301,7 +301,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersUpload()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $externalIdA = 'upload-a-' . time();
         $externalIdB = 'upload-b-' . time();
diff --git a/tests/RetailCrm/Tests/Methods/Version4/ApiClientReferenceTest.php b/tests/RetailCrm/Tests/Methods/Version4/ApiClientReferenceTest.php
index 4ac9251..4844b15 100644
--- a/tests/RetailCrm/Tests/Methods/Version4/ApiClientReferenceTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version4/ApiClientReferenceTest.php
@@ -34,7 +34,7 @@ class ApiClientReferenceTest extends TestCase
      */
     public function testList($name)
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $method = $name . 'List';
         $response = $client->request->$method();
@@ -56,7 +56,7 @@ class ApiClientReferenceTest extends TestCase
      */
     public function testEditingException($name)
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $method = $name . 'Edit';
         $client->request->$method([]);
@@ -70,7 +70,7 @@ class ApiClientReferenceTest extends TestCase
      */
     public function testEditing($name)
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $code = 'dict-' . strtolower($name) . '-' . time();
         $method = $name . 'Edit';
@@ -104,7 +104,7 @@ class ApiClientReferenceTest extends TestCase
     public function testSiteEditing()
     {
         $name = 'sites';
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $code = 'dict-' . strtolower($name) . '-' . time();
         $method = $name . 'Edit';
diff --git a/tests/RetailCrm/Tests/Methods/Version4/ApiClientStoreTest.php b/tests/RetailCrm/Tests/Methods/Version4/ApiClientStoreTest.php
index 4034756..7389ef6 100644
--- a/tests/RetailCrm/Tests/Methods/Version4/ApiClientStoreTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version4/ApiClientStoreTest.php
@@ -35,7 +35,7 @@ class ApiClientStoreTest extends TestCase
      */
     public function testStoreCreate()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->storesEdit(['name' => self::SNAME, 'code' => self::SCODE]);
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -48,7 +48,7 @@ class ApiClientStoreTest extends TestCase
      */
     public function testStoreInventories()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->storeInventories();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -66,7 +66,7 @@ class ApiClientStoreTest extends TestCase
      */
     public function testInventoriesException()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
         $client->request->storeInventoriesUpload([]);
     }
 
@@ -75,7 +75,7 @@ class ApiClientStoreTest extends TestCase
      */
     public function testInventoriesUpload()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->storeInventoriesUpload([
             [
@@ -109,7 +109,7 @@ class ApiClientStoreTest extends TestCase
      */
     public function testInventoriesFailed()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $externalIdA = 'upload-a-' . time();
         $externalIdB = 'upload-b-' . time();
@@ -136,7 +136,7 @@ class ApiClientStoreTest extends TestCase
      */
     public function testStoreProducts()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->storeProducts();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
diff --git a/tests/RetailCrm/Tests/Methods/Version4/ApiClientTelephonyTest.php b/tests/RetailCrm/Tests/Methods/Version4/ApiClientTelephonyTest.php
index eb5d727..6b91584 100644
--- a/tests/RetailCrm/Tests/Methods/Version4/ApiClientTelephonyTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version4/ApiClientTelephonyTest.php
@@ -40,7 +40,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonySettingsEdit()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->telephonySettingsEdit(
             self::TEL_CODE,
@@ -67,7 +67,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonySettingsGet()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->telephonySettingsGet(self::TEL_CODE);
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -84,7 +84,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonyEvent()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->telephonyCallEvent(
             '+79999999999',
@@ -109,7 +109,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonyUpload()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->telephonyCallsUpload(
             [
@@ -148,7 +148,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonyManager()
     {
-        $client = static::getApiClient(null, null, 'v4');
+        $client = static::getApiClient(null, null, \RetailCrm\ApiClient::V4);
 
         $response = $client->request->telephonyCallManager('+79999999999', 1);
 
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientOrdersTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientOrdersTest.php
index f59f565..1f52337 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientOrdersTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientOrdersTest.php
@@ -34,7 +34,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersCreate()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $externalId = 'o-create-' . time();
 
@@ -58,7 +58,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersCreateExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
         $client->request->ordersCreate([]);
     }
 
@@ -70,7 +70,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersStatuses(array $ids)
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->ordersStatuses();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -117,7 +117,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersGet(array $ids)
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->ordersGet(678678678);
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -143,7 +143,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersGetException()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
         $client->request->ordersGet(678678678, 'asdf');
     }
 
@@ -155,7 +155,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersEdit(array $ids)
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->ordersEdit(
             [
@@ -182,7 +182,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersEditExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
         $client->request->ordersEdit([], 'asdf');
     }
 
@@ -192,7 +192,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersEditException()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
         $client->request->ordersEdit(['id' => 678678678], 'asdf');
     }
 
@@ -201,7 +201,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersHistory()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->ordersHistory();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -214,7 +214,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersList()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->ordersList();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -238,7 +238,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersFixExternalIdsException()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
         $client->request->ordersFixExternalIds([]);
     }
 
@@ -247,7 +247,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersFixExternalIds()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->ordersCreate([
             'firstName' => 'Aaa',
@@ -292,7 +292,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersUploadExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
         $client->request->ordersUpload([]);
     }
 
@@ -301,7 +301,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersUpload()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $externalIdA = 'upload-a-' . time();
         $externalIdB = 'upload-b-' . time();
@@ -335,7 +335,7 @@ class ApiClientOrdersTest extends TestCase
      */
     public function testOrdersCombine()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $responseCreateFirst = $client->request->ordersCreate([
             'firstName'  => 'Aaa111',
@@ -372,7 +372,7 @@ class ApiClientOrdersTest extends TestCase
 
     public function testOrdersPayment()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
         $externalId = 'AA-' . time();
 
         $responseCreateFirst = $client->request->ordersCreate([
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientPacksTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientPacksTest.php
index 34d6991..5f246d5 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientPacksTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientPacksTest.php
@@ -32,7 +32,7 @@ class ApiClientPacksTest extends TestCase
      */
     public function testPacksHistory()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->ordersPacksHistory();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -53,7 +53,8 @@ class ApiClientPacksTest extends TestCase
      */
     public function testPacksCreateFailed()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
+
         $pack = [
             'itemId' => 12,
             'store' => 'test',
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientPricesTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientPricesTest.php
index 07cc993..b1a9238 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientPricesTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientPricesTest.php
@@ -33,8 +33,7 @@ class ApiClientPricesTest extends TestCase
      */
     public function testPricesEdit()
     {
-
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->pricesTypesEdit(
             [
@@ -56,8 +55,7 @@ class ApiClientPricesTest extends TestCase
      */
     public function testPricesGet()
     {
-        $client = static::getApiClient(null, null, "v5");
-
+        $client = static::getApiClient();
         $response = $client->request->pricesTypes();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
         static::assertTrue(in_array($response->getStatusCode(), [200, 201]));
@@ -72,7 +70,7 @@ class ApiClientPricesTest extends TestCase
      */
     public function testPricesUploadExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
         $client->request->storePricesUpload([]);
     }
 
@@ -82,7 +80,8 @@ class ApiClientPricesTest extends TestCase
      */
     public function testPricesUpload()
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $xmlIdA = 'upload-a-' . time();
         $xmlIdB = 'upload-b-' . time();
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientReferenceTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientReferenceTest.php
index da64adf..646e34a 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientReferenceTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientReferenceTest.php
@@ -34,7 +34,8 @@ class ApiClientReferenceTest extends TestCase
      */
     public function testList($name)
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $method = $name . 'List';
         $response = $client->request->$method();
@@ -56,7 +57,8 @@ class ApiClientReferenceTest extends TestCase
      */
     public function testEditingException($name)
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $method = $name . 'Edit';
         $client->request->$method([]);
@@ -70,7 +72,8 @@ class ApiClientReferenceTest extends TestCase
      */
     public function testEditing($name)
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $code = 'dict-' . strtolower($name) . '-' . time();
         $method = $name . 'Edit';
@@ -104,7 +107,8 @@ class ApiClientReferenceTest extends TestCase
     public function testSiteEditing()
     {
         $name = 'sites';
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $code = 'dict-' . strtolower($name) . '-' . time();
         $method = $name . 'Edit';
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientStoreTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientStoreTest.php
index cbb4a66..1948cbe 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientStoreTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientStoreTest.php
@@ -35,7 +35,8 @@ class ApiClientStoreTest extends TestCase
      */
     public function testStoreCreate()
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $response = $client->request->storesEdit(['name' => self::SNAME, 'code' => self::SCODE]);
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -48,7 +49,8 @@ class ApiClientStoreTest extends TestCase
      */
     public function testStoreInventories()
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $response = $client->request->storeInventories();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -66,7 +68,8 @@ class ApiClientStoreTest extends TestCase
      */
     public function testInventoriesException()
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
         $client->request->storeInventoriesUpload([]);
     }
 
@@ -75,7 +78,8 @@ class ApiClientStoreTest extends TestCase
      */
     public function testInventoriesUpload()
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $response = $client->request->storeInventoriesUpload([
             [
@@ -109,7 +113,8 @@ class ApiClientStoreTest extends TestCase
      */
     public function testInventoriesFailed()
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $externalIdA = 'upload-a-' . time();
         $externalIdB = 'upload-b-' . time();
@@ -136,7 +141,8 @@ class ApiClientStoreTest extends TestCase
      */
     public function testStoreProducts()
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $response = $client->request->storeProducts();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -149,7 +155,8 @@ class ApiClientStoreTest extends TestCase
      */
     public function testStoreProductsGroups()
     {
-        $client = static::getApiClient(null, null, "v5");
+
+        $client = static::getApiClient();
 
         $response = $client->request->storeProductsGroups();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientTasksTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientTasksTest.php
index ca0a623..024ef9b 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientTasksTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientTasksTest.php
@@ -32,8 +32,8 @@ class ApiClientTasksTest extends TestCase
      */
     public function testTasksList()
     {
-        $client = static::getApiClient(null, null, 'v5');
 
+        $client = static::getApiClient();
         $response = $client->request->tasksList();
 
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -46,14 +46,14 @@ class ApiClientTasksTest extends TestCase
      */
     public function testTasksCreateExceptionEmpty()
     {
-        $client = static::getApiClient(null, null, 'v5');
+        $client = static::getApiClient();
         $client->request->tasksCreate([]);
     }
 
     public function testTasksCRU()
     {
-        $client = static::getApiClient(null, null, 'v5');
 
+        $client = static::getApiClient();
         $task = [
             'text' => 'test task',
             'commentary' => 'test task commentary',
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientTelephonyTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientTelephonyTest.php
index 7faaee4..9520474 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientTelephonyTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientTelephonyTest.php
@@ -31,33 +31,6 @@ class ApiClientTelephonyTest extends TestCase
     const TEL_CLIENT = '456';
     const TEL_IMAGE = 'http://www.mec.ph/horizon/wp-content/uploads/2011/11/telephony.svg';
 
-    /**
-     * Settings Edit test
-     *
-     * @group telephony
-     *
-     * @return void
-     */
-    public function testTelephonySettingsEdit()
-    {
-        $client = static::getApiClient(null, null, "v5");
-
-        $response = $client->request->telephonySettingsEdit(
-            self::TEL_CODE,
-            self::TEL_CLIENT,
-            true,
-            'TestTelephonyV5',
-            false,
-            self::TEL_IMAGE,
-            [['userId' => $_SERVER['CRM_USER_ID'], 'code' => '101']],
-            [['siteCode' => 'api-client-php', 'externalPhone' => '+74950000000']]
-        );
-
-        static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
-        static::assertTrue(in_array($response->getStatusCode(), [200, 201]));
-        static::assertTrue($response->isSuccessful());
-    }
-
     /**
      * Settings Get test
      *
@@ -67,8 +40,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonySettingsGet()
     {
-        $client = static::getApiClient(null, null, "v5");
-
+        $client = static::getApiClient();
         $response = $client->request->telephonySettingsGet(self::TEL_CODE);
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
         static::assertEquals(200, $response->getStatusCode());
@@ -84,8 +56,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonyEvent()
     {
-        $client = static::getApiClient(null, null, "v5");
-
+        $client = static::getApiClient();
         $response = $client->request->telephonyCallEvent(
             '+79999999999',
             'in',
@@ -109,8 +80,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonyUpload()
     {
-        $client = static::getApiClient(null, null, "v5");
-
+        $client = static::getApiClient();
         $response = $client->request->telephonyCallsUpload(
             [
                 [
@@ -148,8 +118,7 @@ class ApiClientTelephonyTest extends TestCase
      */
     public function testTelephonyManager()
     {
-        $client = static::getApiClient(null, null, "v5");
-
+        $client = static::getApiClient();
         $response = $client->request->telephonyCallManager('+79999999999', 1);
 
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientUsersTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientUsersTest.php
index 15e912c..d107a69 100644
--- a/tests/RetailCrm/Tests/Methods/Version5/ApiClientUsersTest.php
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientUsersTest.php
@@ -32,7 +32,7 @@ class ApiClientUsersTest extends TestCase
      */
     public function testUsersGroups()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->usersGroups();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -45,7 +45,7 @@ class ApiClientUsersTest extends TestCase
      */
     public function testUsersList()
     {
-        $client = static::getApiClient(null, null, "v5");
+        $client = static::getApiClient();
 
         $response = $client->request->usersList();
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
@@ -58,8 +58,7 @@ class ApiClientUsersTest extends TestCase
      */
     public function testUsersGet()
     {
-        $client = static::getApiClient(null, null, "v5");
-
+        $client = static::getApiClient();
         $response = $client->request->usersGet($_SERVER["CRM_USER_ID"]);
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
         static::assertTrue(in_array($response->getStatusCode(), [200, 201]));
@@ -71,8 +70,7 @@ class ApiClientUsersTest extends TestCase
      */
     public function testUsersStatus()
     {
-        $client = static::getApiClient(null, null, "v5");
-
+        $client = static::getApiClient();
         $response = $client->request->usersStatus($_SERVER["CRM_USER_ID"], 'dinner');
         static::assertInstanceOf('RetailCrm\Response\ApiResponse', $response);
         static::assertTrue(in_array($response->getStatusCode(), [200, 201]));