[cisco-voip] Site Code -- Dial Plan

[Akaal singh]

Plan is to do it over IP and use the PSTN if we need to. simple answer is to
use 31xxxx for extension but the business have decided they want 4 digit
extension as most users are use to it dialing 4 number. So we have to work
do all the background work.

I am thinking of using translation patterns, just want to have a feel of
what others are doing. would this be the best way is they a simple method to
all of this.

Thanks alot

On Tue, Jul 8, 2008 at 3:57 PM, Robert Kulagowski <rkulagow at gmail.com>
wrote:

>  Akaal singh wrote:
>
>> Hi,
>>
>> We have a few clusters cross the global, within each site we are using 4
>> digit extension. We want to call each site using extension, 4 digit will
>> not
>> work for us. so thinking of using Site code for each location. So if I
>> have
>> a exterension 5568 in location A to call it from location B I would dial
>> 315568. 31 will be the site code for location A. How would I go by setting
>> this up.
>>
>
> Are you going to route your calls over IP or over the PSTN?
>
> If it's over IP, then couldn't you renumber your phones at site 31 to be
> 31xxxx?
>
> If it's over PSTN, then what we did was setup translation patterns.  In our
> case we have 31.XXXX as a TP, where we do Discard Digits PreDot and Prefix
> Digits as 91212987
>
> That way if you dial 315568 your outgoing number becomes 912129875568 and
> it's handled by your normal route patterns.
>
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