HEY PRAKASH,
DOMESTIC AND INTERNATIONAL CALL-CENTER HAS DIFFERENT NEED, FIRST YOU DECIDE IN WHICH MARKET YOU PEOPLE WANNA ENTER, B’COZ TECHNICAL REQUIREMENT ARE DIFFERENT, FOR DOMESTIC CALL-CENTER YOU CAN START WITH JUST TELEPHONE LINE’S AND COMPUTER(IN CASE OF OUTBOUND), HOWEVER AS PER YOUR PLAN YOU CAN GO FOR DIALER FOR DOMESTIC CALL CENTER AS WELL THAT WILL B OF GREAT HELP WHEN YOU WILL START INTERNATIONAL CALLL-CENTER. FOR DIALER YOU NEED ACD, DIALOGIC CARD, SERVER, PREDICTIVE DIALER SOFTWARE, HEAD SET, AND OFCOURSE COMPUTERS. YOU CAN USE THIS TECHONOLOGY FOR INBOUND CALL-CENTER AS WELL, WE CAN HELP YOU TO GET SOME VERY GOOD BUSINESS FROM INTERNATIONAL CLIENTS.