I send mesage " videochat:action:create no_call_id "from this code . Who know , what do?
code
global $CONFIG;
require_once($CONFIG->pluginspath . "videochat/vendors/opentok-php-sdk.2011-08-26/OpenTokSDK.php");
$title = get_input("title");
$access = get_input("access", ACCESS_PRIVATE);
if(!empty($title)){
$api = new OpenTokSDK(API_Config::API_KEY,API_Config::API_SECRET);
try {
$session_id= $api->create_session('127.0.0.1')->getSessionId();
}catch(OpenTokException $e) {
print $e->getMessage();
}