Provisioning Guide
Page 78
... produced tones for information to carry voice and/or data. Exchange code (NXX)-The first three digits of telecommunications via automated management decisions. Flat-rate pricing-The customer is where the LEC ownership and responsibility (wiring, equipment) ends and the customer responsibilities begin. IXC (Interexchange Carrier)-A long-distance provider that allows...
... produced tones for information to carry voice and/or data. Exchange code (NXX)-The first three digits of telecommunications via automated management decisions. Flat-rate pricing-The customer is where the LEC ownership and responsibility (wiring, equipment) ends and the customer responsibilities begin. IXC (Interexchange Carrier)-A long-distance provider that allows...