as a networking guy expected to support our CS1k , I am trying to learn as much about telephony as I can. we have several PRI circuits that terminate into our equipment, and I have always referred to them as loop #s instead of the circuit ids, but I don't understand where the loop number comes from or what it means
are there some guides/books out there that go through these basics?
are there some guides/books out there that go through these basics?