dpkg -l talkd talk
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  talk           0.17-13        Chat with another user
ii  talkd          0.17-13        Remote user communication server

cat /etc/inetd.conf  | grep talk
#:BSD: Shell, login, exec and talk are BSD protocols.
talk		dgram	udp	wait	nobody.tty	/usr/sbin/in.talkd	in.talkd
ntalk		dgram	udp	wait	nobody.tty	/usr/sbin/in.ntalkd	in.ntalkd

...$talk foo
your party is not logged on
trying to connect to your party's talk daemon
press any key to exit