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I have the opportunity to design a very large scale numbering plan for a school district with 20 buildings...yep..2-0! 20. Any advice?
No one seems to have time to do it right but everyone has time to do it twice!
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It depends on how many phones in each school? Are they going to be networked together? What type of system? DiD's? For something like that I would use 4 digit numbers and assign ranges to each school with enough headroom for add ons later.
John 807
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Thanks John807, youre absolutly correct. Sorry for not being more detailed.
Phone per school: anywhere from 10 to 75 Networking: prefered so ext to ext calling can happen System: preferred SV9100 DIDs: yes, blocks of 100 Digits: yes, 4 prefered
However, what do you do once you get past (for example) 40XX, 41XX, 42XX, 43XX, 44XX, 45XX, 46XX, 47XX, 48XX, 49XX...that takes care of 10 buildings, after this I have no choice but to go to another lead in digit...maybe I'm looking at things the wrong way.
No one seems to have time to do it right but everyone has time to do it twice!
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I have a school district where we use 4000, 5000,6000 and 7000. 4000-4150 is one school 4151- 4250 is another and so on. The indiviual blocks Identify individual schools. For DR and redundancy each school has it's own phone system all networked all connected with fiber. They didn't want one large system in the high school and IP handsets to the other schools for security and bandwith concerns. They didn't want hosted for the same reason. Everything works exactly how they need it to be. We also created 1 instead of 9 as there outbound digit and a table so they can just dial 911 or 1911.
John 807
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John 807 uses the same method we do.
REMEMBER: In an Emergency people have a problem dialing anything other than 911. Remember: EMERGENCY.
One method we use to simplify patch panels:
F1.R2.P3.46
Frame 1, Rack 2, Patch Panel 3, Port 46
Frame refers to which IT closet. Rack refers sequence 001 through XXX. Panel sequence from top to bottom Port number obvious.
Using this method is much easier than trying to locate cable number D-1054.
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Ya you are on the right path. Another lead digit won't kill you so going into another range isn't the worst thing. Frankly I would split it into 1XXX elementary, 2XXX middle school, 3XXX for high schools but whatever floats your boat. I assume you are netlinking or CCIS? Definitely be using ARS and F-Route tables. Should be fairly simple, you are looking the right way at it, NPL is everything. 911 isn't an issue for you with the SV9100, just get your ARS COS setup right (if netlinkled) otherwise with CCIS easy as pie.
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The challenge is going to be matching the DIDs to the extension numbers. How do you keep your numbering plan intact without wasting DIDs on devices that don't need them?
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I'm not sure I understand the question? If the carrier issues a range of say nnn-1000 - nnn-3000. And you want internal extension 4500 to be nnn-1000 you would just program it as such. Did's don't need to match internal extensions. In his case being a school he is probably porting existing numbers at least for the main numbers that are probably not going to be in any special sequence.
John 807
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Dean I like that cable numbering plan. We still use IDF A cable number which requires numbering all the patch panels. In your method I guess you tag the rack and the individual panels. Do you comingle voice and data in the same rack or do you use seperate racks or seperate them in the same rack. I guess it depends on the job size?
John 807
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In your method I guess you tag the rack and the individual panels. Do you comingle voice and data in the same rack or do you use seperate racks or seperate them in the same rack. I guess it depends on the job size? You are correct with the labeling. We try to keep Voice and Data on separate racks, but of course if you only have 20 voice and 20 data no one would expect two different racks. We NEVER mix Voice, Data, AP's, Video on the same patch panel. And as usual TIE cables are always on the last ports of the last patch panel.
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