[JDEV] Heartbeat patch for dialup and laptop users and faulty presence info

[Wing, Oliver]

David Waite wrote...

> > I think note should be taken that IRC uses such a ping-pong solution.
> > I'd be willing to bet that AOL, Yahoo, and MSN all include such a
> > feature as the TCP timeout logic is severely limited (there was a
> > discussion of this point a month ago or so on this list).
>
> I know that Yahoo and MSN do not; I suspect that AOL does not either.

MSN uses a PING/PONG routine, at least it does in the present protocol
revision.

Regards.