Question : Problem: How do I start a telnet session in Windows CE 4.2

How do I start a telnet session in Windows CE 4.2 using a VT220 Emulation?

Answer : Problem: How do I start a telnet session in Windows CE 4.2

PuTTy is a free third party tool that may assist you. It gives you a command line Interface( CLI).

A better option is to use Terminal Service. This is what I have used to connect and admin servers from my Blackberry, Treo, and iPaq in the past.

Here is information from M$.
http://msdn.microsoft.com/en-us/library/ms925239.aspx
http://msdn.microsoft.com/en-us/library/ms925760.aspx

Here is a link to a client install if you need it:
http://www.hpcfactor.com/support/cesd/s/0066.asp