If not, then no answering machine.
http://www.modemsite.com/56k/voice.asp lets you find out what a VOICE MODEM is and notes some of the usual software titles to use it.
I have broadband, and also an inbuilt modem. Can I use my PC as an answering machine, and fax machine, and is there any software for this purpose. Would I use the modem, or the broadband connection?