[asterisk-users] Re: wrong values in duration and billsec in CDR

[Julian J. M.]

On 3/23/07, C F <shmaltz at gmail.com> wrote:
> On 3/22/07, Tomislav Parcina <tomislav.parcina at email.t-com.hr> wrote:
> > C F wrote:
> > >> So, how to solve this problem?
> >  >
> > > Get an ISDN line, or maybe just VoIP.
> >
> > This really isn't answer to my question ;)
>
> Why not? FXO is answered as soon as you go off hook. There is no real
> way it will work on FXO, unless you get an ISDN or all VoIP lines.

Actually some telcos use polarity reversals to signal answer and hangup states.
That's what answeronpolarityswitch and hanguponpolarityswitch
parameters in zapata.conf.

Julian J. M.