Install elpa-jabber by entering the following commands in the terminal:
sudo apt update sudo apt install elpa-jabber
Description:
Jabber client for Emacsen
jabber.el (emacs-jabber) is a Jabber client for Emacs and XEmacs. While this is still a development version, it offers all the basic instant messaging functions and is highly customizable.
Homepage: http://emacs-jabber.sourceforge.net/
Version: 0.8.92+git98dc8e-2
Section: universe/net