[asterisk-users] Blocking collect calls in Brazil

[Carlos Barros]

Hi Luis.

On 10/18/07, Luis Antonio Prata Barbosa <luispratalistas at gmail.com> wrote:
> Hi Carlos,
>
> The method commonly used is "flash" E1 to block this calls.
Yes.. But I need to "detect" it so I can set a billing on it.
> A Better way could be detect the category of call.
> I don´t know if there is a way to get the call category in extensions as we
> can get the CALLERID.
>
> Collect calls have B-8 category in Brazil.
Hmm.. I'll investigate it. The callerID does not specify (I guess
Embratel should send a 9 or something as a CAllerID prefix, but
unfortunately not).

Thanks for you information.

Carlos
>
> Thanks.
>
> Luis A P Barbosa
>
> 2007/10/18, Carlos Barros <barros001 at gmail.com>:
> >
> > Hi list.
> >
> > I was googling about this subject and found a message to this list
> > asking the same thing I want, but see no response. So, I'm reposting
> > it in case someone has a solution for this.
> > I'd like to know if there's some way to "detect" (not block) a collect
> > call in a ISDN E1? I need this cause I have my own billing system and
> > I need to charge my customers for collect calls they receive.
> > Currently I have to get the PSTN billing and locate all collect calls
> > and then enter it manually. I want to detect these calls in asterisk
> > so I can automatically charge my customers.
> >
> > For Brazilians in the list, I have a Embratel E1 - ISDN.
> >
> > Thanks
> >
> > Carlos Barros
> >
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