Newbie: TDM410 and what software?

What software do I need?
For a small business:
2 analog phones
USB headphones w/mic
XP
buy TDM410 card?
want GUI for
dialing out,
volume control (in + out),
store phone numbers
etc
TIA, Pete

Hi,

See:

digium.com/en/products/switchvox/home/