This module provides a simple communication method between pairs of users. A teacher can open an dialogue with a student, a student can open a dialogue with a teacher, and (optionally) a student can open a dialogue with another student. A teacher or student can be involved in many on-going dialogues at any time.

A dialogue can have an unlimited number of entries, normally the "conversation" takes place as a set of interleaved replies. This format is not enforced and either party can add to the dialogue at any time.

A dialogue can be closed by either party at any time. Closed dialogues cannot be reopened. However, a closed dialogue can be viewed by either party provided it is still in existence...

...The module deletes closed dialogues and all their entries after a certain time. That time is set here when the Dialogue is created.

If the course has groups the following points apply.

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