[Asterisk-Users] BT ISDN30e and presentation numbers

[Asterisk]

Yes, we have 5 distinct 0870 numbers (national call rate, not premium rate)
that are mapped to the incoming isdn30.

 Julian

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Peter Svensson
Sent: 08 October 2004 17:38
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] BT ISDN30e and presentation numbers

On Fri, 8 Oct 2004, Asterisk wrote:

> I've just got off the line from my account manager, and she insists 
> that I can only have one presentation number per ISDN30e bearer line. 
> Oh, I can also have any of my ddi numbers presented ...
> 
> We have several business units each using the ISDN30e, and I wanted 
> each of them to present their own numbers, so that anyone doing a 1471 
> would then call the appropriate number. Asterisk recognises these 
> numbers, and sends them to the appropriate destination.
> 
> If I have a hundred different DDI numbers presented, why can't I chose 
> several different numbers that aren't a DDI ?

In most countries you are not supposed to be able to send a calling number
other than one registered for that line. I.e., you should not be able to
spoof your caller id. Whether they are able to change this restriction or
not depends on the switch they are using, I guess.

Are all the numbers you want to send out also coming in on the ISDN30e? In
that case there would be no spoofing so that argument will not be usable by
BT.

Peter


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