Not particularly a Cisco question but :)

AFAIK windows XP Home edition does not run a telnet server so you won't be able to telnet to it.

XP has a telnet client so you can telnet FROM the machine but unless you install a telnet server onto the XP machines you won't be able to telnet to it.

Jon

if you need to use telnet, perhaps try this one:

http://www.kpym.com/2/kpym/index.htm