[Freeswitch-users] UK ISDN outgoing CLI (was Re: FreeTDM - Sangoma B700 - ISDN connection questions - UK)

[lloyd thomas]

John,
        I am in Oxford. A little way, but I do get over to the west now and
again.

On 8 July 2011 00:37, Jan Berger <jan.berger at video24.no> wrote:

> ** **
>
> You should read Q.951 and make sure SETUP is correct it’s a few words, but
> it’s very straight forward – if your convinced it is correct are call BT.*
> ***
>
> ** **
>
> Q.951 defines how to set up the numbers, so unless BT have given you a
> specific procedure you go by the spec and claim a fault. Send me the
> wireshark trace if you want me to look at it – but this should be rather
> straight forward.****
>
> ** **
>
> Jan****
>
> ** **
>  ------------------------------
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Stephen
> Wilde
> *Sent:* 8. juli 2011 01:01
>
> *To:* FreeSWITCH Users Help
> *Subject:* Re: [Freeswitch-users] UK ISDN outgoing CLI (was Re: FreeTDM -
> Sangoma B700 - ISDN connection questions - ****UK****)
> ****
>
>  ** **
>
> With some providers I have to set the "screening indicator" of calling
> party number to "network provided" ... you can add this try...****
>
> ** **
>
> (freetdm_screening_ind = network-provided)****
>
> ** **
>
> Stephen****
>
> ** **
>
> On Fri, Jul 8, 2011 at 12:32 AM, John <freeswitch at earthspike.net> wrote:**
> **
>
> Jan,
>
> I have tried every combination of unknown, national and international with
> every combination of number length.  I have also confirmed that by using
> wanpipemon to capture the D-channel messages.  When I went through them with
> Wireshark and compared them with Q.931, everything was being set correctly
> by the Sangoma card/drivers.  I am at the point now where I need someone who
> has worked with BT ISDN switches to tell me what they can accept.  It seems
> that this is a national secret over here, or instead that they can accept
> almost anything and my lines have been configured to override the outgoing
> calling number with the base number.  Either way, the only way in which I
> think I am now going to get a result is by booking a fault.  Your helpful
> comment about modern switches being able to work this out also confirms that
> I am probably not looking at a Q.931 formatting error on my part, but on a
> blockage in the exchange.  I don't have a problem with the called number,
> for example.
>
> John****
>
>
>
> On 07/07/11 23:09, Jan Berger wrote: ****
>
>    I must admit I don’t remember what CLIP and CLOP is – and my Q.931
> experience is getting a bit rusty…****
>
> Can you get a snoop of L3 out and in so I can see what you send and what
> the switch responds back?****
>
> I prefer to use Called and Calling – The numbers contain a few bits that
> tell what number this is. The most common are unknown, national and
> international. These bits must match the actual number you send. The 10
> digit number is a unknown, the 11 digit is a national. International start
> with 00 nn****
>
> On top of that you will face that modern switches are quite capable and
> able to configure whatever behaviour they want per line with regards to
> called/calling – so you need to find out exactly what the switch expect on
> both called and caller for outgoing to behave as you want. ****
>
> /Jan****
>
> >>
> >> On our PRI systems we are sending 10 digits (2071231234), and on the
> >> BRI system we are sending 11 digits (02071231234).
> >>****
>
>  ****
>
> ** **
>
> _______________________________________________****
>
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>  ** **
>
>
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