[cisco-voip] E.164 dialing

[Lelio Fulgenzi]

As far as I can tell, the NXX format is [2-9][0-9][0-9], so in theory, 100 
to 199 is unused. Who knows though, just like IPv4, they may start assigning 
those NXX's in each NPA for room to grow.


--------------------------------------------------------------------------------
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
"Bad grammar makes me [sic]" - Tshirt

----- Original Message ----- 
From: "Walt Moody" <moody at arizona.edu>
To: "Ryan O'Connell" <Roconnell at unislumin.com>
Cc: "cisco-voip at puck-nether.net" <cisco-voip at puck.nether.net>
Sent: Friday, July 11, 2008 4:49 PM
Subject: Re: [cisco-voip] E.164 dialing


> 110xxxx and 111xxxx don't conflict with anything.
>
> -walt
>
> Ryan O'Connell wrote:
>>
>> Hello,
>>
>> I am working on a Dialplan that is based on E.164 numbers. Essentially 
>> all internal DN's will be the fully qualified E.164 number without the 
>> "+" so for NANP that will be 11 digits and in Europe it will consist of 
>> country-code followed by local exchange. Using partitions and CSS's to 
>> maintain interal 4 digit dialing intra-site and full E.164 inter-site. 
>> For DID's the above plan is pretty straight forward but for non-DID's I 
>> can't seem to find any ranges within the NANP that are designated as 
>> private addresses. So if I want to assign 100 DN's to be voicemail ports 
>> or lobby phones or whatever I was wondering what I should make these 
>> numbers so that it doesn't overlap with any PSTN numbers.
>>
>> If anyone can share thoughts or their experiences in this area that would 
>> be helpful thanks
>>
>>
>> Ryno
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>>
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