Nice touch with the choice of the port number!
Now I only have to install telnet on my Mac to be happy! Thanks for the project!
% grep 1989 /etc/services
tr-rsrb-p3 1989/tcp # cisco RSRB Priority 3 port
tr-rsrb-p3 1989/udp # cisco RSRB Priority 3 port
#mshnet 1989/tcp # MHSnet system
#mshnet 1989/udp # MHSnet system