Nuno Reis writes:

> I've been testing presence module for a while and I do notice that
> presentity table grows endlessly over time.
> Each time a call is made a new record is added in presentity with a
> different etag.

presence module does not do anything with calls.  it handles publish and
subscriber requests and generates notifies.

when publish is handled, it is the job of the publisher to place correct
etag in subsequent refresh publish requests.

-- juha