VICIDIAL/GoAutoDial runs on a Pendtium 4 machine and also on a Xeon Quad Processor based System.
Depending on the size of your ViciDial Setup you need a different amount of servers with different setups.
Typical setups would be: 10-15 Seat Inbound or Outbound
Dialing up to 30 concurrent Calls at a time. 1 All-in-One Server [Intel Core 2 Duo/AMD Processor, 4GB RAM, 320GB HDD] 1 PRI or VoIP Trunk Codec : G729 Internet Bandwidth : 1 Mbps 1:1 or 4 Mbps Broadband Total initial cost under $500 15-30 Seat Outbound or Inbound Dialing up to 150 channels/lines at a time. 1 All-in-One Server [Xeon Dual Core Processor, 8GB RAM, 500GB HDD] 1 PRI or VoIP Trunk Codec : G729 Internet Bandwidth : 4 Mbps 1:1 or 25 Mbps Broadband Total initial cost under $1000 30-50 Seat outbound good pickup ratio Dialing up to 300 concurrent Calls at a time 1 All-in-One Server [Xeon Quadl Core Processor, 8GB RAM, 1TB HDD+128GB SSD] 1 Database Server Codec : G729 Internet Bandwidth : 16 Mbps 1:1 or 100 Mbps Broadband Total initial cost under $3000 100+ Seat outbound good pickup ratio Dialing up to 500 concurrent Calls at a time 1 Asterisk Server 1 Database Server 2 Application Servers 1 Archive Server Codec : G729 Internet Bandwidth : 32 Mbps 1:1 Total initial cost under $6000