<?php
    use Wesnick\RingCentral\Model\User;
    use Wesnick\RingCentral\Http\HttpClient;

    // Some implementation of UserInterface
    $user = new User("5555555555", "1234");
    // Some implementation of Doctrine Cache interface
    $cache = new FilesystemCache("/path/to/cache");
    // Some implementation of HttpInterface
    $client = new HttpClient($cache);

    $ringout = new RingOut($client);

    // Methods
    $numbers = $ring->getNumbersList($user);
    // Returns an array of NamedNumberInterface

    $ring->placeCall($user, $destNumber, $sourceNumber, $callerIdNumber, $voicePromptBeforeConnect);
    // Returns session Id of connected call

    $ring->getCallStatus($sessionId);
    // Returns CallStatus object

    $ring->cancelCall($sessionId);
    // Returns boolean