RCONFIG is a program meant to make life easier configuring your VoIP hardware.1- Save Config: You will be prompted for a name and the config will be stored in a database. 2- Delete Config: You will have a list of all saved configs and you may choose which one to delete. 3- Submit Config: You will have a list of all saved configs and you may choose which one to submit. 4- Special Config: Only to configure some special configuration so that you may basic configure your SPA box.