[cisco-voip] Area Code vs NXX Conflict

[Lelio Fulgenzi]

If you can live with interdigit timeout, then you should be able to program things so that you can dial either number and get through. Users will have to wait 10 seconds (or whatever your parameter is configured for) before 7 digit calls are placed -or- if I'm not mistaken, they can press # to complete the dialing process (you might need an extra route pattern with the # at the end though as well).

Other than that, if you are looking to be able to dial a 7 digit and 10 digit call with the same beginning three digits and not have interdigit timeout at the end, I do not think you will be able to do this.


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Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
...there's no such thing as a bad timbit...

  ----- Original Message ----- 
  From: Walt Moody 
  To: cisco-voip at puck.nether.net 
  Sent: Wednesday, May 09, 2007 2:04 PM
  Subject: [cisco-voip] Area Code vs NXX Conflict


  Here's the setup:

  The University of Arizona - in Tucson - uses seven digit dialing for
  both on Campus and off Campus local calls.  We do not use 9+ or any
  other PBX "outside access" codes.  NANP long distance is 1+ 10 digits,
  IDDD is 011+.

  Except:  When dialing from our Tucson Campus to our Phoenix Campus, we
  dial 602827XXXX.  We do not use a "1" or any other prefix digit to when
  we dial a "free" or on-net call.

  Still with me?   OK, try this: We want to set up our dial plans so that
  we can use 10 digits to call from the Tucson Campus to anywhere in the
  Phoenix rate center, which consists of Area Codes 480, 602, and 623.
  That's easy enough to do, except (there's that word again) 623 is both
  an Area Code in Phoenix and an NXX in Tucson.

  I need to find a way to tell the difference between, for example, the
  dialed digits (623) 555-1212 and 623-5551 and route the 10 digit "623"
  numbers to our PRIs in Phoenix and the 7 digit "623" numbers to the
  local Tucson PRIs.

  Prefix digits are not an option -- there are several PBXs in addition
  to the CallManagers that are part of the University's voice services,
  and no real good way to change them from their current dial plans.

  Ideas, anyone?

  Thanks,

  -walt
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