Methods and systems are disclosed that allow for the exchange of voice mail messages between different VMSs of different service providers andor in different networks by the transmission of such messages through a data network using a standard protocol of the data network. An editor application is controlled by the processor means communicates with said predictive editor programs for generating matching words based on an ambiguous string of key strokes. The voids are loaded with drugs in various formulations. A plurality of nodes are formed at the intersections of the plurality of drive electrodes and the at least one sense electrode. This \u201creversed geometry\u201d configuration may be distinguished from a conventional reflecting TOF analyzer employing a single ion mirror where a large fraction of the total drift space is located between the ion source and the mirror.