what do I need to use my landline telphone

I want to start using a telephony network, but I also want to keep the use of my landline telephones but connect my landline to the computer. I use a webstar 100 dpx modem connected to my comp by a usb cable. what do I need to do ANY SUGGESTIONS

  Graham ® 20:31 27 Jul 2005

Can we assume you are on cable broadband?

  Graham ® 20:34 27 Jul 2005

Do you wish to use the landline for a dialup service?

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