Recommended place for this file is:
/pub/muds/clients/misc/mudcal25.zip

This is version 2.5 of MUDCaller released 2/6/94. MUDCaller is a 
Telnet client for MSDOS designed specifically for MUDS. MUDCaller works over 
the Crynwr packet drivers on an ethernet network or SLIP. This features of
this client are:

GUI Environment
Multiple Windowed Sessions
Large scrollback buffers
Macros
Responses
Logging
Barebones telnet support.

If you use Trumpet, FTP, Telnet, PopMail, or Nupop from a PC you can probably 
use this program.
MUDCaller DOES NOT work with a modem unless you use SLIP.