Hello Trisha/Milind,
Here are the basic requirement to open up a call center, this is all you need in terms of technology with a predictive dialer, mostly
The basic requirement would be as follows:
1) Server ( Should be Xeon Based Processor)
2) Networked Client PC’s with server
3) Bandwidth
4) Suitable infrastructure
5) VOIP gateway (with no. of ports same as that of agents)
6) Voice and Data network.
7) Headsets with Dialpad or phones as per your requirement.
8) DialEdge (The Predictive Dialer) software
On an average you need to take into budget an amount of Rs 60000/- per seat which will cover your infra cost with one month recurring, please let me know if any other info is required