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Old July 2nd 08, 10:20 PM posted to uk.telecom
alexd alexd is offline
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Default How many PRIs per pair of DASS-II BNCs?

I'm almost certain the answer to this question is "one". A customer is
imminently having "a" PRI converted from DASS-II to Q.931. There is one
pair of BNCs that the PRI comes in on, yet the customer is being billed
for 2xPRIs of 8 channels each. We wanted to move them to 1xPRI with 12ch
as they don't need 16ch, however BT reckon some DDIs are on one PRI and
some are on the other, so this can't be done without losing some DDIs.
Yet, surely if they've only got one pair of BNCs then they can only have
one PRI circuit?

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Convergence, n: The act of using separate DSL circuits for voice and data

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Old July 2nd 08, 10:33 PM posted to uk.telecom
Edward Hobson Edward Hobson is offline
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Default How many PRIs per pair of DASS-II BNCs?

Hi Alex,

A pair of BNC cables would certainly imply just the one circuit. If you
really do only have one connection then perhaps you could assume that
the DDIs on the second one are actually not being used. Perhaps you
should request details of which DDI numbers are assigned to each
circuit. DASS2 offers various features that Q.931 can't - you could have
some channels split across two DASS2 circuits sharing DDI numbers, and
then some channels on either one of the DASS2 circuits with other DDI
numbers on.

Ed


alexd wrote:
I'm almost certain the answer to this question is "one". A customer is
imminently having "a" PRI converted from DASS-II to Q.931. There is one
pair of BNCs that the PRI comes in on, yet the customer is being billed
for 2xPRIs of 8 channels each. We wanted to move them to 1xPRI with 12ch
as they don't need 16ch, however BT reckon some DDIs are on one PRI and
some are on the other, so this can't be done without losing some DDIs.
Yet, surely if they've only got one pair of BNCs then they can only have
one PRI circuit?

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Old July 8th 08, 07:46 PM posted to uk.telecom
alexd alexd is offline
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Default How many PRIs per pair of DASS-II BNCs?

On Wed, 02 Jul 2008 23:33:16 +0100, Edward Hobson wrote:

A pair of BNC cables would certainly imply just the one circuit. If you
really do only have one connection then perhaps you could assume that
the DDIs on the second one are actually not being used.


It was only one circuit with 17[?] channels, not two of 8 as claimed by
the [predictably useless] BT reseller. All DDIs are working. One can only
speculate on where they got the idea it was 2xPRIs.

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Convergence, n: The act of using separate DSL circuits for voice and data
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Old July 9th 08, 05:26 PM posted to uk.telecom
alexd alexd is offline
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Default How many PRIs per pair of DASS-II BNCs?

On Tue, 08 Jul 2008 19:46:19 +0000, alexd wrote:

All DDIs are working.


Spoke too soon. PRI stopped working today, rang BT reseller and
apparently it is in the process of being ceased! Aaaaaargh. I /hate/
telcos.

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18:23:35 up 7 days, 4:50, 3 users, load average: 0.03, 0.01, 0.00
Convergence, n: The act of using separate DSL circuits for voice and data


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