(1) A large-scale computer used in switched digital telephone circuits. See telephone switch and TDM.
(2) An inhouse PBX that supports circuit-switched lines (the traditional PBX without IP capability). See PBX and TDM.
"TDM switch." YourDictionary, n.d. Web. 21 June 2018. <http://www.yourdictionary.com/tdm-switch>.
TDM switch. (n.d.). Retrieved June 21st, 2018, from http://www.yourdictionary.com/tdm-switch
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