From: David Boyd <[EMAIL PROTECTED]>
Date: Wed, 07 Feb 2007 15:24:04 -0500
On Wed, 2007-02-07 at 10:14 -0800, Yuan LIU wrote:
> From: Jorge Mendoza <[EMAIL PROTECTED]>
> >Funny that a digital line have a analogue pulse.
> >Normally the billing pulse is used on payphones. IMO you only need
> >the answer supervision to trigger your own billing system.
> >
> >Jorge Mendoza
> >
> >Stefano Corsi wrote:
> >>Hello,
> >>
> >>I've discovered that in Italy ISDN lines can be programmed to
> >>generate a "billing pulse" every n seconds (it dipends from the
> >>pricebook). The pulse has these figures:
>
>
> Whatever reason, if telco provides them, there's a good chance
> that some ISDN interface cards can use them. (Just googled to confirm
> that some non-Digium cards can be used in Asterisk.) This doesn't
> mean that Asterisk can use them. So you may need significant
> programming to get going.
>
> If they are truly analogue pulses, it could be cheaper to produce a
> little dedicated circuit to feed an AGI or something.
>
> Yuan Liu
> ...
How would you be able to determine which call was being billed for if
the pulse is sent down the wire on an ISDN circuit with multiple
channels in use?
db
Bill them both. We are talking about mere BRI's, right:-) Good catch,
David. As others noted, billing pulse really applies to analogue lines
only, and ISDN providers should always send status.
Yuan Liu
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