[asterisk-users] Billing pulses

[Yuan LIU]

>From: David Boyd <dboyd at ignitetrx.com>
>Date: Wed, 07 Feb 2007 15:24:04 -0500
>
>On Wed, 2007-02-07 at 10:14 -0800, Yuan LIU wrote:
> > From:  Jorge Mendoza <mendoza at tcc.com.pe>
> > >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