Definitions for "MTSO"
Mobile telephone switching office. Mobile telephone switching office.
(Mobile Telephone Switching Office) the central switch that controls the entire operation of a cellular system. It is a sophisticated computer that monitors all cellular calls, keeps track of the location of all cellular equipped vehicles traveling in the system, interconnects calls with the local and long distance land line telephone companies, arranges hand-offs, keeps track of billing information etc. Every cellular system has one or more MTSOs or switches.
Mobile Telephone Switching Offices. A cellular CO, for use only within the cellular network. Interacts with cell sites. Modem - Modulator-demodulator. Converts digital signals to and from analog.