[LUG] Asterisk and getting rid of unwanted calls

[Paul Hirst <paul.hirst@xxxxxxxxxx>]

I'm getting fed up with silent calls and marketing calls. I've signed of for the relevant services but it's not made a huge difference.

I'd like to add an asterisk server, connected to my phone line, which can provide a

Press 1 if you are friends or family
If this is a marketing call please go away
If this is an otherwise important call please press 2

With automatic pass through option 1 if the CallerID matches one in my list of friends and family.

Currently I have two things plugged into the phone line. A cordless DECT phone (which gives my three cordless phones) and a SKY box.

I have a Viglen MPC-L (really low power ~400Mhz) machine which I'd like to use  for this. Since it's so small, I don't believe I can plug in a PCI card so I'm looking for suggestions.

Should I be looking at USB ATA devices or ethernet ones? What's the best deal? How do I know whatever I get can be made to work with Asterisk? It seems most ethernet ones support SIP, does that mean they will work?

Can I run my SKY box connection through the Asterisk server or do I need to leave it as a normal phone extension? (If I can run it through Asterisk then I could probably disconnect all my phone extensions and just plug my ADSL router and asterisk box (or ethernet
 ATA) straight into the master socket giving me the best possible ADSL speed).

Finally, if it's possible, I'd like to get the SIP client I have on my mobile to connect to my Asterisk server so I can phone the phones in the house from anywhere, provided I can find a Wifi point.

I'm obviously looking to do this on the cheap. Any suggestions and advice would be really appreciated.
Thanks!

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