[Asterisk-Users] UK BT IDSN30e 'pass through' with TE205P/AvayaArgentOffice?

[Steve Kennedy]

On Wed, Oct 26, 2005 at 03:33:16PM +0100, Mark Ackroyd wrote:

> > You should also ensure the PRI is really configured for EuroISDN, many
> > BT PRI's are actually UK ISDN which Asterisk doesn't support (it's an
> > older version).
> I had a problem along these lines, when I first started with asterisk, the
> PRI was originally DASS2, but needed to be Q931 Full ETSI for it to work.
> In between we had it configured for Q931 1/2 ETSI and the outbound didn't
> work.  What the actually difference is I don't know.  

BT uses mainly Marconi System X exchanges, these will by default
configure PRI lines as ISDN v85 (I seem to remember) while EuroISDN is
v110 (or something similar).


Steve

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