From Boldcore's wiki
Whoooa !
Yes, it is possible.
Telnet protocol is now obsolete (or lets say forbidden) because it does not provide any level of security. Data are simply transfered in plaintext. Too bad if you want to keep your password safe.
We are using SSH for UNIX and GNU/Linux and WinRM for Windozes. So, why telnet-client on Windows ?
It is the way how to check if service is accessible from client side.
TL;DR
Add-WindowsFeature telnet-client
That's it. Don't forget to run Powershell with Admin privileges.