[enabled] => 1 [fallback_answer_url] => [fallback_method] => POST [hangup_method] => POST [hangup_url] => http://example.com [message_method] => POST [message_url] => [public_uri] => [resource_uri] => /v1/Account/xxxxxxxxxxxxxxxx/Application/23061826722302672/ [sip_uri] => sip:23061826722302672@app.plivo.com [sub_account] => ) */ // Modify an Application $params = array('app_id' => '23061826722302672', 'answer_url' => 'http://yourexample.com'); $response = $p->modify_application($params); // print_r ($response['response']); /* Sample Output ( [api_id] => 16bf2cf6-ac4c-11e4-b932-22000ac50fac [message] => changed ) */ // Delete an Application $params = array('app_id' => '23061826722302672'); $response = $p->delete_application($params); // print_r ($response); /* Sample Output (