Call Center setup

i want to setup a 20 seats call center with asterisk and VICIDIAL.
The call center wil be an inbound taking call from uk asterisk server to pakistan asterisk server and then distrube them among different client..
plz give some comments to setup this system like server specification and requirments of minimum IP and T1/E1 cards and SIP/DID trunks etc..
Best Regards
Shahbaz
The call center wil be an inbound taking call from uk asterisk server to pakistan asterisk server and then distrube them among different client..
plz give some comments to setup this system like server specification and requirments of minimum IP and T1/E1 cards and SIP/DID trunks etc..
Best Regards
Shahbaz