Moodle has no built-in tools for speech messaging or audioconferencing. However, there are various add-ons which allow video and audio conferencing and direct recording into Moodle's text editor
- Big Blue Button is a popular audio/video conferencing tool available from the plugins directory. It is an open source project which supports real-time sharing of slides (including whiteboard), audio, video, chat, and desktops. It also record lectures for later playback. See Big Blue Button Big Blue Button website for more general information.
- Openmeetings provides video conferencing, instant messaging, white board, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming. OpenMeetings is a project of the Apache. See Moodle plugin for more details.
- Poodll allows you to record audio into forums, pages, anywhere with a text editor. Recordings are done via the Poodll server hosted by Amazon and transferred to your Moodle site. The Poodll set of tools (filter, assignment 2.3 type, repository, question type) is available from the plugins directory. It is simple to install and doesn't require any particular PHP expertise.