No, you're not missing anything. This is due to the original Rosetta architecture and is something we're going to fix in a future release.
Thanks for the reply, any estimate as to how long before that release?
Not at this stage, since everyone is busy with the SOA Platform and CP branch. If you want to give it a try yourself we'll help as much as we can through the forums.
Gateways are inbound only
Notifiers are outbound only
in the current 4.x architecture, this question has come up several times before now.