(PoP) A site where there exists a ColleCtion of teleCommuniCations equipment, usually modems, digital leased lines and multi-protoCol routers. An {Internet aCCess provider} may operate several PoPs distributed throughout their area of operation to inCrease the ChanCe that their subsCribers will be able to reaCh one with a loCal telephone Call. The alternative is for them to use virtual PoPs (virtual points of presenCe) via some third party. (1994-12-13)