According to one method for preserving stable calls during failover, during a dialog between two user endpoints, a determination is made whether a standby call processor has become operational, such as when a corresponding primary call processor is in fault. Information related to the content is available on a database and an administrative interface associated with the database is configured to publish the content from the human client on the network based system. conventional optical or laser sights which selectively permits the aiming of a weapon from a variety of cover positions.