Antwort: Re: ISDN wardialer

From: Rolf vom Stein (Rolf.vom.Stein@de.tuv.com)
Date: Wed Aug 06 2003 - 05:05:24 EDT


>> Looking for an ISDN wardialer to do an assessment on
>> about 250 ISDN lines to make sure nothing is listening.
>> Not sure how to do this with a regular war dialer.

>Working principle for an ISDN wardialer is the same as a classical
>analogue wardialer - with the exception that ISDN offers a handful of
>different services. So you'll have to try all services: HLDC, X.75 with
>various suboptions, transparent - and of course analogue
>voice/fax/modem. So it's a bit more complicated - especially since
>return codes are not always consistent (e.g. sometimes BUSY = busy or
>service not available, etc.).

>Special ISDN wardialers do exist - but the two software companies I know
>of(both German) charge ca. 1 EUR per tried, named phone number. Thus we
>developed our own - marketing is not decided yet, so currently only
>available as complete consulting service. Sorry...

>Volker Tanger

Yes, one of the tools is T_KIT (www.t_kit.de), but the price is not one Euro
per try. The tool is designed for verifing the extensions. So, the license is
bound to a set of numbers, but you may check the numbers as often you want.
(The numbers of modems is varies with daytime! Think of all the analogues FAX-lines in the offices.)

Most of the ISDN-CIPs are tested by the tool. All analogue connection are checked
for modem/fax/speech. OS is Windows NT/2K/XP

Prices: incl. special HW (i.e. PCMCIA or PCU ISDN-card, since we had to modify
                               the driver ;))
 Numbers PCI-Version PCMCIA
 <1500 € 2600 € 2700
 <5000 € 4850 € 4950
 <10000 € 7350 € 7450

Viele Grüße / best regards
             Rolf vom Stein
             IT Security Services

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