Sip::deleteAction

public function deleteAction($id)
{
	if (!Permissions::createWithCurrentUser()->canModifyLines())
	{
		$this->addError(new Error("Permission denied", "permission_denied"));
		return null;
	}

	$viSip = new CVoxImplantSip();
	$result = $viSip->delete($id);

	if(!$result)
	{
		$this->errorCollection[] = new Error($viSip->GetError()->msg);
		return null;
	}

	return true;
}