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Jan,<br>
<br>
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.<br>
<br>
John<br>
<br>
On 07/07/11 23:09, Jan Berger wrote:
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<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" color="navy" size="3"><span
style="font-size: 12pt; color: navy;" lang="EN-GB">I
must admit I don’t remember what CLIP and CLOP is –
and my Q.931
experience is getting a bit rusty…<o:p></o:p></span></font></p>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" color="navy" size="3"><span
style="font-size: 12pt; color: navy;" lang="EN-GB">Can
you
get a snoop of L3 out and in so I can see what you
send and what the switch
responds back?<o:p></o:p></span></font></p>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" color="navy" size="3"><span
style="font-size: 12pt; color: navy;" lang="EN-GB">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<o:p></o:p></span></font></p>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" color="navy" size="3"><span
style="font-size: 12pt; color: navy;" lang="EN-GB">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. <o:p></o:p></span></font></p>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" color="navy" size="3"><span
style="font-size: 12pt; color: navy;" lang="EN-GB">/Jan<o:p></o:p></span></font></p>
<p class="MsoNormal" style="margin-bottom: 12pt;"><font
face="Times New Roman" size="3"><span
style="font-size: 12pt;" lang="EN-GB">>><br>
>> On our PRI systems we are sending 10 digits
(2071231234), and on the<br>
>> BRI system we are sending 11 digits
(02071231234).<br>
</span>>><br>
<br>
<o:p></o:p></font></p>
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<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
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