[cisco-voip] Masking 0800 Calls in UK

[Johnny Crothers]

0800 numbers are typicall mapped to a local DDI which is associated to your
PRI.

What you probably want to do is mask out all calls to your local DDI number
and then have BT map the local number to the 0800 number, most 0800 numbers
are routed to local DDI's depending on where the caller is geographically
and is done so with the telco's logic, typicall ICM.

Try mapping to local DDI and then ask BT to map from local to 0800.

Either way, if the called party recieves this local number and redial, it
will go to the correct PRI, You will probably notice that the CUCM already
xlates this to a Hunt Group or AA or something similair.



On Fri, Dec 4, 2009 at 1:15 PM, Huffman, Tim <thuffman at rosettastone.com>wrote:

> Has anyone else achieved this using BT?  Presentation number seems to be a
> number you setup with BT and they mask all calls with that number.  I need
> to have control over what I mask.
>
> Thanks,
>
> Tim Huffman
>
> -----Original Message-----
> From: David Sullivan [mailto:David.Sullivan at barnet.ac.uk]
> Sent: Wednesday, December 02, 2009 4:00 AM
> To: Huffman, Tim; cisco-voip at puck.nether.net
> Subject: RE: [cisco-voip] Masking 0800 Calls in UK
>
> > -----Original Message-----
> > I'm being told by my Telco provider in the UK that the ISDN 30 circuit
> > will not allow us to mask outbound calls to any of the 0800 numbers we
> > own. I can mask outbound calls with any of the DDIs we own, but not
> > 0800 numbers.  Does anyone have information on whether this is true?
> > They told me that they weren't technologically advanced as what we are
> > here in the US, so it isn't possible.
>
> Incompetent telcos, how surprising. This certainly is possible, BT call
> it "Presentation Number" and a number of companies in the UK do this.
> I've read through some of the BT documentation before and there is a
> requirement to verify ownership of the number but I can't find the
> document I found before at the moment. If the ISDN30 is provided by a
> company other than someone re-selling Openreach different conditions may
> apply.
>
>
> David Sullivan
> IT Services Systems Team
> Barnet College
>
> David.
>
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