EPSCSEnhanced Private Switched Communications Service
EPSCSEnhanced Private Switched Communications System
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The savings--$37,600 a month--that T1s offered over EPSCS made the decision clear.
Of course when you start talking about large networks like EPSCS, or your own private packet-switching data network, that's something that becomes the domain of the large user.
When Xerox installed its present EPSCS (Enhanced Private Switched Communications System), which it calls Intelnet, in the late 1970s, EPSCS was a new type of AT&T network that allowed Xerox to capture nearly 100 percent of its call data for the first time.