I've been excited to use Asterisk-IM since we've been using Openfire but we really need the feature described in http://www.igniterealtime.org/issues/browse/PHONE-56 before we can start using it. Unfortunately, no work has been done on that issue.
I guess my real question is; what's the status of the Asterisk-IM project? It doesn't seem like any of the issues in the tracker have been completed in any recent time frame. If it is no longer supported or at least, under active development, it'd be nice if someone let us all know.