[asterisk-users] Dial script

[Thomas Perron]

Thank you for your interesting comments.


On Sat, Feb 6, 2010 at 4:14 PM, Erik de Wild: Tripple-o
<info at tripple-o.nl> wrote:
> Thomas,
>
> Yes you can do this. I actually have done this and run it as a
> service under the name Meetmecall.  I use MSN as the user interface to
> record the message, create phone lists of the numbers that has to be
> called and to actually schedule and perform  the delivery. It is
> possible to use it for spam but the customers I have use it to notify,
> remember, offer or let the callee know about something relevant, but
> always as part of an already existing relation. With some extra
> parameters used, you can start a groupcall and use all the other
> Asterisk magic available like doing a questionarry using a smart IVR
> etc. etc.  I can think about a long list of useful use of this service.
>
> I have no idea about the rules and legislation in other countries but
> in Holland you will end up with serious trouble and extreme high
> penalties to pay if you actually use it for spamming.
>
> I will not send you a copy of the solution but it is based on the use
> of call files pointing to local channels/extensions where the Asterisk
> magic is combined in a working (and I think clever) way. The CDR isn't
> perfect but disable and enable CDR at the proper points in the dial
> plan and clever use of the USERFIELD variable will result in useable
> data for billing the users. The CDR shows that most callees, listen to
> the message until it ends and yes, sometime there are complaints about
> the use but that is very rare.
>
> About the scheduling of the calls to make. It is not Asterisk that
> limits you. Far before reaching the limits of Asterisk it will be the
> bandwidth available and the SIP trunk provider that normally doesn't
> allow an endless number of concurrent calls. When I started this I was
> working for a Norwegian company offering the dial tone on the internet
> and I had a server almost directly connected to the backbone of
> internet with more or less endless bandwidth.  I did some stress
> testing of a call center solution  and 80 concurrent calls wasn't a
> problem and my guess is that you can far beyond 80 calls. It is wise
> to move the call files one after the other or one batch after the
> other. Moving large numbers  of call files into /var/spool/asterisk/
> outgoing might sometimes result in unexpected and not intended
> results. There are other scenarios but this was my choice.
>
> 10.000 calls will take some time but with a 30 seconds message, 20
> concurrent calls and 10 seconds average to dial after around 5,5 hours
> the last phone call will be dialed. If the message is just 15 seconds
> it will take around 3,5 hours. If you want to deliver in short time,
> like 10 minutes, you really have to scale up to 420 concurrent calls
> which doesn't sound doable unless you have real serious budgets. If
> you put everything in place at your side you will probably run into
> constraints of the SIP provider and the interconnection to the pstn.
>
> btw:
> Asterisk has the potential to build lots of evil features and lots of
> standard features can be used in an evil way. Personally I think it is
> kind of strange that, if a question is asked, one has to explain why
> the answer is not mend for evil use. We don't have to help someone out
> and we can refuse because of lots of reasons: no time, not an
> interesting question, not a single sign of any effort by the one
> asking the question, not willing to give something away that costs
> lots of time and energy, the feeling that it will be used in an evil
> way etc. etc. I think the tone and the content of this discussion
> harms the Asterisk community as a whole.
>
> with friendly regards,
>
>
> Erik de Wild
> Tripple-o: your asterisk migration partner
> the Netherlands
>
>
>
>
>
>
>
> On 6 feb 2010, at 03:54, Thomas Perron wrote:
>
>> Does anyone have a Dial script or a hint on how I can dial 10000
>> numbers in sequence?
>> When the calls are answered, I play a .gsm or .wav.
>> Then, if user presses a defined digit, the call gets bridged to me.
>>
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