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#477389 10/08/08 07:08 AM
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Mark S. Offline OP
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Anyone recognize ATT circuits starting with 'KZET' and 'KJET'? Trying to figure out what types of circuits these are.

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#477390 10/09/08 06:12 AM
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Man I don’t even not recognize that one I can’t kind it in any Telcordia look-resources I have available to me. I’m still looking for a more up to date Common Language Circuit Identification Document but for now I’m gonna throw a WAG at it… “Kx” service codes are for the most part used for metro Ethernet services where the 2nd alpha character represents the bandwidth size.


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Bryan
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#477391 10/09/08 03:16 PM
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KJET is the B-Channel Circuit ID, while KZET identifies the Signalling Channel ID. Both are elements of a complete ISDN circuit (which may also have an associated DHEC identifier for the access circuit).

Here is a fairly complete list of AT&T circuit prefixes.


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#477392 10/09/08 04:08 PM
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Great link Tim! :thumb:


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#477393 10/10/08 04:23 AM
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Tim -

Good catch! Obviously no jet lag from the trip East.

Sam


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#477394 10/10/08 09:10 AM
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I can see how this is going to cause some confusion… I deal with this stuff all day everyday and it still seems normal to me but I can understand looking from the outside it would seems a little odd.

First off there two different entities that NAME circuits.
1) Inter exchange Carrier (IXC’s) Long Distance Carriers such as AT&T, Sprint, Verizon Business (old MCI/WorldCom.)
2) There are Local Exchange Carrier (LEC’s) Those are the Telcos such as at&t (note lower-case,) Qwest, Verizon, AllTel (aka Windstream) CenturyTel, etc…

IXC’s use Circuit Reference numbers (CKR’s) to name their circuits end-to-end.

LEC’s use “circuit id’s” (ECCKT’s) to NAME their circuits.

What Tim has posted is for AT&T (the IXC) naming for “Circuit References” (CKR) for digital data services.

One end-to-end circuit that crosses LATA’s will actually have three NAMES. Two “circuit id’s” (ECCKT’s or aka ckt id) and one “circuit reference.”

Let’s see if I can type out something that formats well enough that it gives a picture of it.

Tim ---------------------------- ---- AT&T Long distance ------------- Bryan
Upland, CA ----------------------- (Frame Relay Cloud) -------------- O’Fallon, MO
End-user --------------------------- x-connect ------------------------- end-user
at&t Telco ------------------------- ASI --------------------------------- CenturyTel
11/HCGS/000111//PT ------------------------------------------------ 27/HCGS/000333/CT
< ----------------------------- /DHEC/000222/ATI -------------------------->


At either end you'll often see BOTH names on the tag. The LEC's local "ckt id" and the end-to-end CKR.


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Bryan
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#477395 10/10/08 09:19 AM
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I have often seen the DHEC on circuits...what does ATI stand for?


Jeff Moss

Moss Communications
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#477396 10/10/08 09:33 AM
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Quote
Originally posted by jeffmoss26:
I have often seen the DHEC on circuits...what does ATI stand for?
Company designation for ASI (Advanced Solutions Inc.) the data part of the new at&t.


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Bryan
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#477397 03/16/10 03:58 AM
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the AT&T ckr prefix sheet is great...anyone have a lec ecckt comparable reference...i am guessing they may be lec specific

for instance, are these circuit ids lec generated:
G1IPMA034044GTSE,2KDHDC006144GTES and 61HFGS200312

is there a way to tell what type of circuit it is (ds1..ds3...etc)?

#477398 03/16/10 07:39 AM
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Quote
Originally posted by catie:
the AT&T ckr prefix sheet is great...anyone have a lec ecckt comparable reference...i am guessing they may be lec specific
Hi Catie and welcome. welcome

You’ll want to visit our sticky post here for many circuit identification and common language questions that have already been answered.


G1IPMA034044GTSE = “IP” designates an ISDN PRI circuit.

2KDHDC006144GTES = KD ... That’s going to be a bandwidth circuit, of the ethernet variety.

61HFGS200312 = HF Is a C-bit (non-channelized) DS3 circuit.

Once you have had a chance to go through the posts referenced above, please feel free to start a new thread to ask specific questions not addressed.


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Bryan
LEC Provisioning Engineer
Cars -n- Guitars Racin' (retired racer Oct.'07)

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