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Networking question

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DigitelD

Vendor
Mar 21, 2006
2,014
US
Has anyone implemented a network situation where you have 4 digits in a location and 3 digits in another? Nortel recommends using 4 digits and that is the only way that I have set it up in the past. I understand that you can use 3 digits but you have to be careful not to have any overlapping numbers. I dialed in to one of the sites and say that they start with DN 230 and there are numbers in the system in the 400 range (B2 numbers). It seems then that I would be limited using 3 digits.

SHK Certified (School of Hard Knocks)
 
I did it once. It's not that bad, depending on how the extensions are set up. One site was 4 digit in the 31XX range, and the other was 3 digit starting at 221. I renumbered the stuff that was 31X on the 3 digit system, built a destination code of 31, pointed it to the IP trunks. There weren't any conflicts on the 4 digit site. Biggest problem I had was the end of dial timer. I built a prefix of 31 in the dialing plan entries with a length of 4 on the three digit system, and built a prefix of 21 and 22 with a length of three on the 4 digit system and that cured that problem.

It's not as bad as you'd think, unless you have extensions all over the board on the three digit side.
 
I have both 3 and 4 digit ext's at my 60 sites and don't have any problem, we 6+loc+ext.
 
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