I have been told to come here to dispute questions that are put on hold.

I asked a question earlier today about PBX CO connections and if there were standards that were basically the analog equivalent of PRI. As expected, the question was put on hold,

Is there a better forum to ask this question on? Several other of my PBX questions on Network Engineering were not closed or put on hold, so I don't understand why this one would have been different, particularly since this question was about interface standards rather than about specific products and it was not opinionated.

I am trying to find out what the telco. equivalent/version/name/offering is of an analog variant of PRI - basically analog multiplexing. Cost and local telco. offerings aside, I'm trying to find out what this would be called and how I could get it.

1 Answer 1


I think Ron Maupin tried to explain to you more than once in the comments why the question was closed. I don't see what I can add to that.

I have no idea what SE would be more appropriate, but that (or the fact that other PBX related questions were not closed) does not make this question on topic. What you're asking is off topic for this SE.

As it is, I can't see how we could help you more than Ron did, even though the question is off topic. As he pointed out, the local delivery done is not something you can chose from your telco, they decide how that's done.

  • But is there a name for what it would be called? Why can't anyone tell me that?? Jun 26, 2017 at 21:13
  • because it is off topic. Most people here don't do analog telephony.
    – Teun Vink Mod
    Jun 26, 2017 at 21:14
  • 1
    This was mentioned in the comments, but to reiterate: IT DOESN'T EXIST. The digital T-carrier system literally dates back to the 1950's and (with the equivalent E and J series systems) has been more-or-less the dominant method of multiplexing worldwide ever since. You're literally going to have as much luck asking for a telegraph hookup as an analog mux to a CO. If you want analog connectivity buy a bunch of POTS lines, but (as mentioned in your original question) literally the first hop after each of those analog lines is an AD converter.
    – rnxrx
    Aug 6, 2017 at 22:31

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