[asterisk-users] Billing pulses

[Jorge Mendoza]

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:
>
> frequency 
> .................................................................... 
> 12 kHz ± 1%
>
> level 
> .......................................................................... 
> 200 mVrms on 200
>
> distortion................................................................... 
> < 5%
> pulse duration 
> .............................................................125 ± 25 ms
> pause duration 
> ................................................................> 180 ms
> period 
> .......................................................................> 
> 300 ms
>
> Does someone know if these values can be used somehow to get an 
> accurate billing using asterisk with these lines? Could be a matter of 
> configuration or programming?
>
> Thanks
> Stefano
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users