Wow, that is pretty sleezy.
Advertising your closed-source, paid-for software on the open forum of a competing open-source project. Things must not be going very well at Drishtisoft for you to take this low of a marketing technique.
Instead of deleting this post or banning you, I think I'll post a link to your company, since you seem to be hurting for business:
http://www.drishti-soft.com/contact_center.php
If the people on this forum want a proprietary solution that they have to pay per-seat licenses for and cannot alter in any way, then they should look at solutions like yours, or the many other asterisk-based dialers out there:
http://www.voip-info.org/wiki/view/Predictive+dialer
I have read on a few forums on the web that people selling the DACX solutions have come up with all sorts of bad things to say about VICIDIAL, that tells me that VICIDIAL is doing very well, and this just proves to me that VICIDIAL has become a major force in the call center market.