PoPPoint Of Presence. The IXC equivalent of a local phone company's central office. The POP is a long distance carrier's office in your local community (defined as your LATA). A POP is the true place your long distance carrier, called an IntereXchange Carrier (IXC), terminates your long distance lines just before those lines are connected to your local phone company's lines or to your own direct hookup. Each IXC can have multiple POP's within one LATA. All long distance phone connections go through the POPs.Definition from Newton's Telecom Dictionary, © 2006 Harry Newton
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