On Thu, Sep 02, 2004 at 09:20:45PM +0800, Ian Dexter R. Marquez wrote:
> Hi! We currently use a Falcomm GSM modem with the server running SMS
> Server Tools[1]. Nothing as flashy as Kannel, but after Dido's
> discussion at Philosc, we were convinced we hit the jackpot. =D
> 

Thanks, I'm flattered. :)

> Question, actually just for clarification: with a GSM modem, would
> there still be a need for an SMSC? We're a government agency, and
> while a three- or four-digit SMS number would have definitely more
> impact for the service we envision, right now, I think we would have
> to contend with limited budgets and such.
> 

That's not all you get with a full-blown SMSC connection.  You get
volume.  If you're running a high-volume service, an SMSC connection is
the only way to go.  With a good GSM modem you're limited to up to, oh
maybe 13kbps, or even as low as 9600 kbps depending on your GSM modem.
That translates to up to 7-10 messages per second.  You also get billed
for every message you send, so you end up LOSING MONEY running the
service.  At least you have a snowball's chance in hell (at the rates
the telcos impose for "revenue share") of breaking even while running
the service.

> Another question: are there any existing server apps (open source, of
> course) available that runs with Kannel? I mean, for HTTP-based
> messaging, etc.?

You can very easily write an application to run with Kannel using your
web programming environment of choice.  PHP, JSP/Servlets, mod_perl,
anything.  Kannel's programming model basically turns a mobile
application into a web application.  If you know how to do web
programming, programming Kannel shouldn't be too difficult.

-- 
dido
Sans les mathematiques on ne penetre point au fond de la philosophie.  Sans la
philosophie on ne penetre point au fond des mathematiques.  Sans les deux on
ne penetre au fond de rien.
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