For call center setup you will need some softwares which can automate the whole Inbound/Outbound calling process. It will save your time as well as cost.
You can choose from the softwares like.. Predictive Dialer, automated callcenter software, PBX systems etc.
For your knowledge…
Predictive dialer is PC based dialogic predictive dialing solutions including call center software.
automated callcenter software with Answering Machine Detection and Automated Attendant with Call transfer features built into one software package.
Similarly other softwares can help you. You can choose acc. to your need…
I can tell you one source which i have refered when i setted up the call center i.e http://www.tctecno.com
I hope it help…