Analysis of information sources in references of the Wikipedia article "Talker" in English language version.
A TALKER is a multiuser talk facility that is easy to use and is devoted primarily to conversation. You connect to a talker by using telnet ... The word 'talker' is a descriptive term. For example, some talkers are muds, while others are BBSs; there is no strict definition. If it's easy to use, and you connect in order to talk to other people, it is a talker.
Talkers began in 1990 with the program "CatChat" at Warwick University which, ironically, used an LP MUD driver and had snoop capability.